90849112596929 has 4 divisors (see below), whose sum is σ = 91374251976276. Its totient is φ = 90323973217584.

The previous prime is 90849112596833. The next prime is 90849112596959. The reversal of 90849112596929 is 92969521194809.

It is a happy number.

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 86652547300225 + 4196565296704 = 9308735^2 + 2048552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90849112596929 is a prime.

It is a super-2 number, since 2×90849112596929² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90849112596959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262569689414 + ... + 262569689759.

It is an arithmetic number, because the mean of its divisors is an integer number (22843562994069).

Almost surely, 2^{90849112596929} is an apocalyptic number.

It is an amenable number.

90849112596929 is a deficient number, since it is larger than the sum of its proper divisors (525139379347).

90849112596929 is a wasteful number, since it uses less digits than its factorization.

90849112596929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525139379346.

The product of its (nonzero) digits is 226748160, while the sum is 74.

The spelling of 90849112596929 in words is "ninety trillion, eight hundred forty-nine billion, one hundred twelve million, five hundred ninety-six thousand, nine hundred twenty-nine".