696649051 has 8 divisors (see below), whose sum is σ = 800172800. Its totient is φ = 594125928.

The previous prime is 696649043. The next prime is 696649067. The reversal of 696649051 is 150946696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 696649051 - 2³ = 696649043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 696648992 and 696649010.

It is not an unprimeable number, because it can be changed into a prime (696640051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248661 + ... + 251446.

It is an arithmetic number, because the mean of its divisors is an integer number (100021600).

Almost surely, 2^696649051 is an apocalyptic number.

696649051 is a deficient number, since it is larger than the sum of its proper divisors (103523749).

696649051 is a wasteful number, since it uses less digits than its factorization.

696649051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500313.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 696649051 is about 26394.1101573817. The cubic root of 696649051 is about 886.4849153695.

The spelling of 696649051 in words is "six hundred ninety-six million, six hundred forty-nine thousand, fifty-one".