290137083621 has 32 divisors (see below), whose sum is σ = 482337558528. Its totient is φ = 150710639040.

The previous prime is 290137083619. The next prime is 290137083623. The reversal of 290137083621 is 126380731092.

It is an interprime number because it is at equal distance from previous prime (290137083619) and next prime (290137083623).

It is not a de Polignac number, because 290137083621 - 2¹ = 290137083619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290137083623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4599531 + ... + 4662183.

It is an arithmetic number, because the mean of its divisors is an integer number (15073048704).

Almost surely, 2^290137083621 is an apocalyptic number.

290137083621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

290137083621 is a deficient number, since it is larger than the sum of its proper divisors (192200474907).

290137083621 is a wasteful number, since it uses less digits than its factorization.

290137083621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82721.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 290137083621 in words is "two hundred ninety billion, one hundred thirty-seven million, eighty-three thousand, six hundred twenty-one".