457664663739 has 64 divisors (see below), whose sum is σ = 673497538560. Its totient is φ = 275400881280.

The previous prime is 457664663723. The next prime is 457664663767. The reversal of 457664663739 is 937366466754.

It is not a de Polignac number, because 457664663739 - 2⁴ = 457664663723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457664663739.

It is not an unprimeable number, because it can be changed into a prime (457664662739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35359009 + ... + 35371949.

It is an arithmetic number, because the mean of its divisors is an integer number (10523399040).

Almost surely, 2^457664663739 is an apocalyptic number.

457664663739 is a deficient number, since it is larger than the sum of its proper divisors (215832874821).

457664663739 is a wasteful number, since it uses less digits than its factorization.

457664663739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360.

The product of its digits is 411505920, while the sum is 66.

The spelling of 457664663739 in words is "four hundred fifty-seven billion, six hundred sixty-four million, six hundred sixty-three thousand, seven hundred thirty-nine".