49323903613261 has 2 divisors, whose sum is σ = 49323903613262. Its totient is φ = 49323903613260.

The previous prime is 49323903613217. The next prime is 49323903613279. The reversal of 49323903613261 is 16231630932394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45721006116361 + 3602897496900 = 6761731^2 + 1898130^2 .

It is a cyclic number.

It is not a de Polignac number, because 49323903613261 - 2¹⁵ = 49323903580493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49323903613199 and 49323903613208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49323303613261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24661951806630 + 24661951806631.

It is an arithmetic number, because the mean of its divisors is an integer number (24661951806631).

Almost surely, 2^{49323903613261} is an apocalyptic number.

It is an amenable number.

49323903613261 is a deficient number, since it is larger than the sum of its proper divisors (1).

49323903613261 is an equidigital number, since it uses as much as digits as its factorization.

49323903613261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 49323903613261 in words is "forty-nine trillion, three hundred twenty-three billion, nine hundred three million, six hundred thirteen thousand, two hundred sixty-one".