695425792409 has 2 divisors, whose sum is σ = 695425792410. Its totient is φ = 695425792408.

The previous prime is 695425792393. The next prime is 695425792429. The reversal of 695425792409 is 904297524596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596076643600 + 99349148809 = 772060^2 + 315197^2 .

It is a cyclic number.

It is not a de Polignac number, because 695425792409 - 2⁴ = 695425792393 is a prime.

It is not a weakly prime, because it can be changed into another prime (695425792429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347712896204 + 347712896205.

It is an arithmetic number, because the mean of its divisors is an integer number (347712896205).

Almost surely, 2^695425792409 is an apocalyptic number.

It is an amenable number.

695425792409 is a deficient number, since it is larger than the sum of its proper divisors (1).

695425792409 is an equidigital number, since it uses as much as digits as its factorization.

695425792409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 695425792409 in words is "six hundred ninety-five billion, four hundred twenty-five million, seven hundred ninety-two thousand, four hundred nine".