690886051579342 has 16 divisors (see below), whose sum is σ = 1045285391928960. Its totient is φ = 342468503282808.

The previous prime is 690886051579291. The next prime is 690886051579379. The reversal of 690886051579342 is 243975150688096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728793088 + ... + 2729046259.

It is an arithmetic number, because the mean of its divisors is an integer number (65330336995560).

It is a 1-persistent number, because it is pandigital, but 2⋅690886051579342 = 1381772103158684 is not.

Almost surely, 2^{690886051579342} is an apocalyptic number.

690886051579342 is a deficient number, since it is larger than the sum of its proper divisors (354399340349618).

690886051579342 is a wasteful number, since it uses less digits than its factorization.

690886051579342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457839895.

The product of its (nonzero) digits is 783820800, while the sum is 73.

The spelling of 690886051579342 in words is "six hundred ninety trillion, eight hundred eighty-six billion, fifty-one million, five hundred seventy-nine thousand, three hundred forty-two".