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49609354261 is a prime number
BaseRepresentation
bin101110001100111100…
…101010110000010101
311202001100202022102011
4232030330222300111
51303044443314021
634442404344221
73404236360615
oct561474526025
9152040668364
1049609354261
111a048207135
1297460a5071
1348a7b550bc
1425888c2a45
15145542cde1
hexb8cf2ac15

49609354261 has 2 divisors, whose sum is σ = 49609354262. Its totient is φ = 49609354260.

The previous prime is 49609354213. The next prime is 49609354271. The reversal of 49609354261 is 16245390694.

49609354261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24930515236 + 24678839025 = 157894^2 + 157095^2 .

It is a cyclic number.

It is not a de Polignac number, because 49609354261 - 27 = 49609354133 is a prime.

It is a super-2 number, since 2×496093542612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49609354271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24804677130 + 24804677131.

It is an arithmetic number, because the mean of its divisors is an integer number (24804677131).

Almost surely, 249609354261 is an apocalyptic number.

It is an amenable number.

49609354261 is a deficient number, since it is larger than the sum of its proper divisors (1).

49609354261 is an equidigital number, since it uses as much as digits as its factorization.

49609354261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 49609354261 in words is "forty-nine billion, six hundred nine million, three hundred fifty-four thousand, two hundred sixty-one".