690010722356 has 24 divisors (see below), whose sum is σ = 1211326845960. Its totient is φ = 343919001600.

The previous prime is 690010722341. The next prime is 690010722361. The reversal of 690010722356 is 653227010096.

It can be written as a sum of positive squares in 4 ways, for example, as 199912717456 + 490098004900 = 447116^2 + 700070^2 .

It is a super-2 number, since 2×690010722356² (a number of 24 digits) contains 22 as substring.

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, 1456796 + ... + 1871436.

It is an arithmetic number, because the mean of its divisors is an integer number (50471951915).

Almost surely, 2^690010722356 is an apocalyptic number.

It is an amenable number.

690010722356 is a deficient number, since it is larger than the sum of its proper divisors (521316123604).

690010722356 is a wasteful number, since it uses less digits than its factorization.

690010722356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415955 (or 415953 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 690010722356 in words is "six hundred ninety billion, ten million, seven hundred twenty-two thousand, three hundred fifty-six".