690459802233922 has 8 divisors (see below), whose sum is σ = 1183645375258176. Its totient is φ = 295911343814532.

The previous prime is 690459802233869. The next prime is 690459802233973. The reversal of 690459802233922 is 229332208954096.

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

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, 24659278651198 + ... + 24659278651225.

It is an arithmetic number, because the mean of its divisors is an integer number (147955671907272).

Almost surely, 2^{690459802233922} is an apocalyptic number.

690459802233922 is a deficient number, since it is larger than the sum of its proper divisors (493185573024254).

690459802233922 is a wasteful number, since it uses less digits than its factorization.

690459802233922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49318557302432.

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 690459802233922 in words is "six hundred ninety trillion, four hundred fifty-nine billion, eight hundred two million, two hundred thirty-three thousand, nine hundred twenty-two".