671900731934 has 4 divisors (see below), whose sum is σ = 1007851097904. Its totient is φ = 335950365966.

The previous prime is 671900731927. The next prime is 671900731963. The reversal of 671900731934 is 439137009176.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 167975182982 + ... + 167975182985.

It is an arithmetic number, because the mean of its divisors is an integer number (251962774476).

Almost surely, 2^671900731934 is an apocalyptic number.

671900731934 is a deficient number, since it is larger than the sum of its proper divisors (335950365970).

671900731934 is a wasteful number, since it uses less digits than its factorization.

671900731934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335950365969.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 671900731934 in words is "six hundred seventy-one billion, nine hundred million, seven hundred thirty-one thousand, nine hundred thirty-four".