690420759380 has 24 divisors (see below), whose sum is σ = 1581691194720. Its totient is φ = 251062094240.

The previous prime is 690420759349. The next prime is 690420759383. The reversal of 690420759380 is 83957024096.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690420759383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569137870 + ... + 1569138309.

It is an arithmetic number, because the mean of its divisors is an integer number (65903799780).

Almost surely, 2^690420759380 is an apocalyptic number.

It is an amenable number.

690420759380 is an abundant number, since it is smaller than the sum of its proper divisors (891270435340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690420759380 is a wasteful number, since it uses less digits than its factorization.

690420759380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138276199 (or 3138276197 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 690420759380 in words is "six hundred ninety billion, four hundred twenty million, seven hundred fifty-nine thousand, three hundred eighty".