690260637701842 has 32 divisors (see below), whose sum is σ = 1050311225882880. Its totient is φ = 340160029493760.

The previous prime is 690260637701731. The next prime is 690260637701851. The reversal of 690260637701842 is 248107736062096.

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, 17601037018 + ... + 17601076234.

It is an arithmetic number, because the mean of its divisors is an integer number (32822225808840).

Almost surely, 2^{690260637701842} is an apocalyptic number.

690260637701842 is a deficient number, since it is larger than the sum of its proper divisors (360050588181038).

690260637701842 is a wasteful number, since it uses less digits than its factorization.

690260637701842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75946.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 690260637701842 in words is "six hundred ninety trillion, two hundred sixty billion, six hundred thirty-seven million, seven hundred one thousand, eight hundred forty-two".