49620146269 has 2 divisors, whose sum is σ = 49620146270. Its totient is φ = 49620146268.

The previous prime is 49620146239. The next prime is 49620146273. The reversal of 49620146269 is 96264102694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35551102500 + 14069043769 = 188550^2 + 118613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49620146269 is a prime.

It is a super-2 number, since 2×49620146269² (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 (49620146209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24810073134 + 24810073135.

It is an arithmetic number, because the mean of its divisors is an integer number (24810073135).

Almost surely, 2^49620146269 is an apocalyptic number.

It is an amenable number.

49620146269 is a deficient number, since it is larger than the sum of its proper divisors (1).

49620146269 is an equidigital number, since it uses as much as digits as its factorization.

49620146269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 49620146269 in words is "forty-nine billion, six hundred twenty million, one hundred forty-six thousand, two hundred sixty-nine".