434677816507 has 16 divisors (see below), whose sum is σ = 484722911232. Its totient is φ = 386402811520.

The previous prime is 434677816481. The next prime is 434677816537. The reversal of 434677816507 is 705618776434.

It is not a de Polignac number, because 434677816507 - 2²⁷ = 434543598779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434677816537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189123 + ... + 951379.

It is an arithmetic number, because the mean of its divisors is an integer number (30295181952).

Almost surely, 2^434677816507 is an apocalyptic number.

434677816507 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

434677816507 is a deficient number, since it is larger than the sum of its proper divisors (50045094725).

434677816507 is a wasteful number, since it uses less digits than its factorization.

434677816507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763418.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 434677816507 in words is "four hundred thirty-four billion, six hundred seventy-seven million, eight hundred sixteen thousand, five hundred seven".