696419057 has 4 divisors (see below), whose sum is σ = 696703140. Its totient is φ = 696134976.

The previous prime is 696419029. The next prime is 696419083. The reversal of 696419057 is 750914696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531579136 + 164839921 = 23056^2 + 12839^2 .

It is a cyclic number.

It is not a de Polignac number, because 696419057 - 2¹⁶ = 696353521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696449057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138332 + ... + 143277.

It is an arithmetic number, because the mean of its divisors is an integer number (174175785).

Almost surely, 2^696419057 is an apocalyptic number.

It is an amenable number.

696419057 is a deficient number, since it is larger than the sum of its proper divisors (284083).

696419057 is a wasteful number, since it uses less digits than its factorization.

696419057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284082.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 696419057 is about 26389.7528787217. The cubic root of 696419057 is about 886.3873489536.

The spelling of 696419057 in words is "six hundred ninety-six million, four hundred nineteen thousand, fifty-seven".