696656971 has 2 divisors, whose sum is σ = 696656972. Its totient is φ = 696656970.

The previous prime is 696656951. The next prime is 696657043. The reversal of 696656971 is 179656696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696656971 - 2¹³ = 696648779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (696656921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348328485 + 348328486.

It is an arithmetic number, because the mean of its divisors is an integer number (348328486).

Almost surely, 2^696656971 is an apocalyptic number.

696656971 is a deficient number, since it is larger than the sum of its proper divisors (1).

696656971 is an equidigital number, since it uses as much as digits as its factorization.

696656971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The square root of 696656971 is about 26394.2601904278. The cubic root of 696656971 is about 886.4882747529.

It can be divided in two parts, 69665 and 6971, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 696656971 in words is "six hundred ninety-six million, six hundred fifty-six thousand, nine hundred seventy-one".