696375981 has 64 divisors (see below), whose sum is σ = 1265932800. Its totient is φ = 369266688.

The previous prime is 696375949. The next prime is 696376003. The reversal of 696375981 is 189573696.

696375981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 696375981 - 2⁵ = 696375949 is a prime.

It is a super-2 number, since 2×696375981² = 969879013827424722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696371981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233065 + ... + 236033.

It is an arithmetic number, because the mean of its divisors is an integer number (19780200).

Almost surely, 2^696375981 is an apocalyptic number.

It is an amenable number.

696375981 is a deficient number, since it is larger than the sum of its proper divisors (569556819).

696375981 is a wasteful number, since it uses less digits than its factorization.

696375981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3069 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 696375981 is about 26388.9367159801. The cubic root of 696375981 is about 886.3690731716.

It can be divided in two parts, 6963 and 75981, that added together give a square (82944 = 288²).

The spelling of 696375981 in words is "six hundred ninety-six million, three hundred seventy-five thousand, nine hundred eighty-one".