457664663746 has 4 divisors (see below), whose sum is σ = 686496995622. Its totient is φ = 228832331872.

The previous prime is 457664663723. The next prime is 457664663767. The reversal of 457664663746 is 647366466754.

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., 411536363121 + 46128300625 = 641511^2 + 214775^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114416165935 + ... + 114416165938.

Almost surely, 2^457664663746 is an apocalyptic number.

457664663746 is a deficient number, since it is larger than the sum of its proper divisors (228832331876).

457664663746 is a wasteful number, since it uses less digits than its factorization.

457664663746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228832331875.

The product of its digits is 365783040, while the sum is 64.

The spelling of 457664663746 in words is "four hundred fifty-seven billion, six hundred sixty-four million, six hundred sixty-three thousand, seven hundred forty-six".