290382037221 has 16 divisors (see below), whose sum is σ = 401426270208. Its totient is φ = 186517935600.

The previous prime is 290382037207. The next prime is 290382037229. The reversal of 290382037221 is 122730283092.

It is not a de Polignac number, because 290382037221 - 2⁵ = 290382037189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290382037221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290382037229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6856395 + ... + 6898616.

It is an arithmetic number, because the mean of its divisors is an integer number (25089141888).

Almost surely, 2^290382037221 is an apocalyptic number.

It is an amenable number.

290382037221 is a deficient number, since it is larger than the sum of its proper divisors (111044232987).

290382037221 is a wasteful number, since it uses less digits than its factorization.

290382037221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755272.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 290382037221 in words is "two hundred ninety billion, three hundred eighty-two million, thirty-seven thousand, two hundred twenty-one".