690932751353 has 4 divisors (see below), whose sum is σ = 744081424548. Its totient is φ = 637784078160.

The previous prime is 690932751343. The next prime is 690932751359. The reversal of 690932751353 is 353157239096.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50233360384 + 640699390969 = 224128^2 + 800437^2 .

It is a cyclic number.

It is not a de Polignac number, because 690932751353 - 2⁸ = 690932751097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 690932751295 and 690932751304.

It is not an unprimeable number, because it can be changed into a prime (690932751359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26574336578 + ... + 26574336603.

It is an arithmetic number, because the mean of its divisors is an integer number (186020356137).

Almost surely, 2^690932751353 is an apocalyptic number.

It is an amenable number.

690932751353 is a deficient number, since it is larger than the sum of its proper divisors (53148673195).

690932751353 is a wasteful number, since it uses less digits than its factorization.

690932751353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53148673194.

The product of its (nonzero) digits is 4592700, while the sum is 53.

The spelling of 690932751353 in words is "six hundred ninety billion, nine hundred thirty-two million, seven hundred fifty-one thousand, three hundred fifty-three".