425532391966 has 16 divisors (see below), whose sum is σ = 696409815168. Its totient is φ = 193400458200.

The previous prime is 425532391931. The next prime is 425532392003. The reversal of 425532391966 is 669193235524.

It is a super-2 number, since 2×425532391966² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980820 + ... + 1346503.

It is an arithmetic number, because the mean of its divisors is an integer number (43525613448).

Almost surely, 2^425532391966 is an apocalyptic number.

425532391966 is a deficient number, since it is larger than the sum of its proper divisors (270877423202).

425532391966 is a wasteful number, since it uses less digits than its factorization.

425532391966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335647.

The product of its digits is 10497600, while the sum is 55.

The spelling of 425532391966 in words is "four hundred twenty-five billion, five hundred thirty-two million, three hundred ninety-one thousand, nine hundred sixty-six".