90909082574673 has 64 divisors (see below), whose sum is σ = 135081127111680. Its totient is φ = 53918779910400.

The previous prime is 90909082574671. The next prime is 90909082574711. The reversal of 90909082574673 is 37647528090909.

It is not a de Polignac number, because 90909082574673 - 2¹ = 90909082574671 is a prime.

It is a super-2 number, since 2×90909082574673² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90909082574598 and 90909082574607.

It is not an unprimeable number, because it can be changed into a prime (90909082574671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371878198 + ... + 372122576.

It is an arithmetic number, because the mean of its divisors is an integer number (2110642611120).

Almost surely, 2^{90909082574673} is an apocalyptic number.

It is an amenable number.

90909082574673 is a deficient number, since it is larger than the sum of its proper divisors (44172044537007).

90909082574673 is a wasteful number, since it uses less digits than its factorization.

90909082574673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245390.

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 90909082574673 in words is "ninety trillion, nine hundred nine billion, eighty-two million, five hundred seventy-four thousand, six hundred seventy-three".