695849091 has 16 divisors (see below), whose sum is σ = 1085001984. Its totient is φ = 388380384.

The previous prime is 695849059. The next prime is 695849111. The reversal of 695849091 is 190948596.

It is not a de Polignac number, because 695849091 - 2⁵ = 695849059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (695839091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384396 + ... + 386201.

It is an arithmetic number, because the mean of its divisors is an integer number (67812624).

Almost surely, 2^695849091 is an apocalyptic number.

695849091 is a deficient number, since it is larger than the sum of its proper divisors (389152893).

695849091 is a wasteful number, since it uses less digits than its factorization.

695849091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770650.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 695849091 is about 26378.9516660538. The cubic root of 695849091 is about 886.1454694249.

The spelling of 695849091 in words is "six hundred ninety-five million, eight hundred forty-nine thousand, ninety-one".