49692946729 has 2 divisors, whose sum is σ = 49692946730. Its totient is φ = 49692946728.

The previous prime is 49692946621. The next prime is 49692946739. The reversal of 49692946729 is 92764929694.

49692946729 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., 49586382400 + 106564329 = 222680^2 + 10323^2 .

It is a cyclic number.

It is not a de Polignac number, because 49692946729 - 2⁷ = 49692946601 is a prime.

It is a super-2 number, since 2×49692946729² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49692946739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24846473364 + 24846473365.

It is an arithmetic number, because the mean of its divisors is an integer number (24846473365).

Almost surely, 2^49692946729 is an apocalyptic number.

It is an amenable number.

49692946729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49692946729 is an equidigital number, since it uses as much as digits as its factorization.

49692946729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105815808, while the sum is 67.

The spelling of 49692946729 in words is "forty-nine billion, six hundred ninety-two million, nine hundred forty-six thousand, seven hundred twenty-nine".