425567487734 has 16 divisors (see below), whose sum is σ = 641210897088. Its totient is φ = 211830661512.

The previous prime is 425567487703. The next prime is 425567487781. The reversal of 425567487734 is 437784765524.

It is a super-2 number, since 2×425567487734² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8285777 + ... + 8336979.

It is an arithmetic number, because the mean of its divisors is an integer number (40075681068).

Almost surely, 2^425567487734 is an apocalyptic number.

425567487734 is a deficient number, since it is larger than the sum of its proper divisors (215643409354).

425567487734 is a wasteful number, since it uses less digits than its factorization.

425567487734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69739.

The product of its digits is 158054400, while the sum is 62.

The spelling of 425567487734 in words is "four hundred twenty-five billion, five hundred sixty-seven million, four hundred eighty-seven thousand, seven hundred thirty-four".