694432961375 has 16 divisors (see below), whose sum is σ = 875233067904. Its totient is φ = 550045900000.

The previous prime is 694432961371. The next prime is 694432961399. The reversal of 694432961375 is 573169234496.

It is not a de Polignac number, because 694432961375 - 2² = 694432961371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694432961371) 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 15 ways as a sum of consecutive naturals, for example, 27489671 + ... + 27514920.

It is an arithmetic number, because the mean of its divisors is an integer number (54702066744).

Almost surely, 2^694432961375 is an apocalyptic number.

694432961375 is a deficient number, since it is larger than the sum of its proper divisors (180800106529).

694432961375 is a wasteful number, since it uses less digits than its factorization.

694432961375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55004707 (or 55004697 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 59.

The spelling of 694432961375 in words is "six hundred ninety-four billion, four hundred thirty-two million, nine hundred sixty-one thousand, three hundred seventy-five".