29275993085 has 4 divisors (see below), whose sum is σ = 35131191708. Its totient is φ = 23420794464.

The previous prime is 29275993027. The next prime is 29275993111. The reversal of 29275993085 is 58039957292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22177762084 + 7098231001 = 148922^2 + 84251^2 .

It is a cyclic number.

It is not a de Polignac number, because 29275993085 - 2⁸ = 29275992829 is a prime.

It is a super-2 number, since 2×29275993085² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927599304 + ... + 2927599313.

It is an arithmetic number, because the mean of its divisors is an integer number (8782797927).

Almost surely, 2^29275993085 is an apocalyptic number.

It is an amenable number.

29275993085 is a deficient number, since it is larger than the sum of its proper divisors (5855198623).

29275993085 is an equidigital number, since it uses as much as digits as its factorization.

29275993085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855198622.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 29275993085 in words is "twenty-nine billion, two hundred seventy-five million, nine hundred ninety-three thousand, eighty-five".