49545881929 has 2 divisors, whose sum is σ = 49545881930. Its totient is φ = 49545881928.

The previous prime is 49545881899. The next prime is 49545881939. The reversal of 49545881929 is 92918854594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30961921600 + 18583960329 = 175960^2 + 136323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49545881929 is a prime.

It is a super-2 number, since 2×49545881929² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49545881939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24772940964 + 24772940965.

It is an arithmetic number, because the mean of its divisors is an integer number (24772940965).

Almost surely, 2^49545881929 is an apocalyptic number.

It is an amenable number.

49545881929 is a deficient number, since it is larger than the sum of its proper divisors (1).

49545881929 is an equidigital number, since it uses as much as digits as its factorization.

49545881929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37324800, while the sum is 64.

The spelling of 49545881929 in words is "forty-nine billion, five hundred forty-five million, eight hundred eighty-one thousand, nine hundred twenty-nine".