690038317205 has 16 divisors (see below), whose sum is σ = 857541425664. Its totient is φ = 532483035840.

The previous prime is 690038317153. The next prime is 690038317271. The reversal of 690038317205 is 502713830096.

It is not a de Polignac number, because 690038317205 - 2¹⁰ = 690038316181 is a prime.

It is a super-2 number, since 2×690038317205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203002 + ... + 7298171.

It is an arithmetic number, because the mean of its divisors is an integer number (53596339104).

Almost surely, 2^690038317205 is an apocalyptic number.

It is an amenable number.

690038317205 is a deficient number, since it is larger than the sum of its proper divisors (167503108459).

690038317205 is a wasteful number, since it uses less digits than its factorization.

690038317205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14501516.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 690038317205 in words is "six hundred ninety billion, thirty-eight million, three hundred seventeen thousand, two hundred five".