290921311922 has 8 divisors (see below), whose sum is σ = 437785126272. Its totient is φ = 144992936500.

The previous prime is 290921311913. The next prime is 290921311969. The reversal of 290921311922 is 229113129092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 290921311922.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233858954 + ... + 233860197.

It is an arithmetic number, because the mean of its divisors is an integer number (54723140784).

Almost surely, 2^290921311922 is an apocalyptic number.

290921311922 is a deficient number, since it is larger than the sum of its proper divisors (146863814350).

290921311922 is a wasteful number, since it uses less digits than its factorization.

290921311922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467719464.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 290921311922 in words is "two hundred ninety billion, nine hundred twenty-one million, three hundred eleven thousand, nine hundred twenty-two".