434677816564 has 12 divisors (see below), whose sum is σ = 764508724000. Its totient is φ = 216246752568.

The previous prime is 434677816553. The next prime is 434677816591. The reversal of 434677816564 is 465618776434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273038034 + ... + 273039625.

Almost surely, 2^434677816564 is an apocalyptic number.

It is an amenable number.

434677816564 is a deficient number, since it is larger than the sum of its proper divisors (329830907436).

434677816564 is a wasteful number, since it uses less digits than its factorization.

434677816564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546077862 (or 546077860 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 434677816564 in words is "four hundred thirty-four billion, six hundred seventy-seven million, eight hundred sixteen thousand, five hundred sixty-four".