690352421379 has 8 divisors (see below), whose sum is σ = 929406496512. Its totient is φ = 455766646920.

The previous prime is 690352421329. The next prime is 690352421383. The reversal of 690352421379 is 973124253096.

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

It is not a de Polignac number, because 690352421379 - 2⁷ = 690352421251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690352421309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117074807 + ... + 1117075424.

It is an arithmetic number, because the mean of its divisors is an integer number (116175812064).

Almost surely, 2^690352421379 is an apocalyptic number.

690352421379 is a deficient number, since it is larger than the sum of its proper divisors (239054075133).

690352421379 is a wasteful number, since it uses less digits than its factorization.

690352421379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234150337.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 690352421379 in words is "six hundred ninety billion, three hundred fifty-two million, four hundred twenty-one thousand, three hundred seventy-nine".