671034504554 has 4 divisors (see below), whose sum is σ = 1006551756834. Its totient is φ = 335517252276.

The previous prime is 671034504527. The next prime is 671034504599. The reversal of 671034504554 is 455405430176.

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

It can be written as a sum of positive squares in only one way, i.e., 665328968329 + 5705536225 = 815677^2 + 75535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167758626137 + ... + 167758626140.

Almost surely, 2^671034504554 is an apocalyptic number.

671034504554 is a deficient number, since it is larger than the sum of its proper divisors (335517252280).

671034504554 is a wasteful number, since it uses less digits than its factorization.

671034504554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335517252279.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 671034504554 in words is "six hundred seventy-one billion, thirty-four million, five hundred four thousand, five hundred fifty-four".