90909037853321 has 32 divisors (see below), whose sum is σ = 95891292979200. Its totient is φ = 86102073869760.

The previous prime is 90909037853317. The next prime is 90909037853419. The reversal of 90909037853321 is 12335873090909.

It is a cyclic number.

It is not a de Polignac number, because 90909037853321 - 2² = 90909037853317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90909037850321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190844240 + ... + 191319998.

It is an arithmetic number, because the mean of its divisors is an integer number (2996602905600).

Almost surely, 2^{90909037853321} is an apocalyptic number.

It is an amenable number.

90909037853321 is a deficient number, since it is larger than the sum of its proper divisors (4982255125879).

90909037853321 is a wasteful number, since it uses less digits than its factorization.

90909037853321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476909.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 90909037853321 in words is "ninety trillion, nine hundred nine billion, thirty-seven million, eight hundred fifty-three thousand, three hundred twenty-one".