690223959634 has 32 divisors (see below), whose sum is σ = 1156609751616. Its totient is φ = 306255942720.

The previous prime is 690223959611. The next prime is 690223959653. The reversal of 690223959634 is 436959322096.

It is a super-2 number, since 2×690223959634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272732 + ... + 1732135.

It is an arithmetic number, because the mean of its divisors is an integer number (36144054738).

Almost surely, 2^690223959634 is an apocalyptic number.

690223959634 is a deficient number, since it is larger than the sum of its proper divisors (466385791982).

690223959634 is a wasteful number, since it uses less digits than its factorization.

690223959634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005130.

The product of its (nonzero) digits is 18895680, while the sum is 58.

The spelling of 690223959634 in words is "six hundred ninety billion, two hundred twenty-three million, nine hundred fifty-nine thousand, six hundred thirty-four".