695444990 has 16 divisors (see below), whose sum is σ = 1253901600. Its totient is φ = 277711200.

The previous prime is 695444989. The next prime is 695444999. The reversal of 695444990 is 99444596.

It is a super-2 number, since 2×695444990² = 967287468232200200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695444999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52061 + ... + 64040.

It is an arithmetic number, because the mean of its divisors is an integer number (78368850).

Almost surely, 2^695444990 is an apocalyptic number.

695444990 is a deficient number, since it is larger than the sum of its proper divisors (558456610).

695444990 is a wasteful number, since it uses less digits than its factorization.

695444990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116707.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 695444990 is about 26371.2910188333. The cubic root of 695444990 is about 885.9738988858.

The spelling of 695444990 in words is "six hundred ninety-five million, four hundred forty-four thousand, nine hundred ninety".