90494726029 has 4 divisors (see below), whose sum is σ = 91036610784. Its totient is φ = 89952841276.

The previous prime is 90494726017. The next prime is 90494726117. The reversal of 90494726029 is 92062749409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90494726029 - 2⁷ = 90494725901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90494724029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270942127 + ... + 270942460.

It is an arithmetic number, because the mean of its divisors is an integer number (22759152696).

Almost surely, 2^90494726029 is an apocalyptic number.

It is an amenable number.

90494726029 is a deficient number, since it is larger than the sum of its proper divisors (541884755).

90494726029 is a wasteful number, since it uses less digits than its factorization.

90494726029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541884754.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 90494726029 in words is "ninety billion, four hundred ninety-four million, seven hundred twenty-six thousand, twenty-nine".