456744947 has 2 divisors, whose sum is σ = 456744948. Its totient is φ = 456744946.

The previous prime is 456744941. The next prime is 456744991. The reversal of 456744947 is 749447654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456744947 - 2⁴ = 456744931 is a prime.

It is a super-2 number, since 2×456744947² = 417231893220065618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 456744895 and 456744904.

It is not a weakly prime, because it can be changed into another prime (456744941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228372473 + 228372474.

It is an arithmetic number, because the mean of its divisors is an integer number (228372474).

Almost surely, 2^456744947 is an apocalyptic number.

456744947 is a deficient number, since it is larger than the sum of its proper divisors (1).

456744947 is an equidigital number, since it uses as much as digits as its factorization.

456744947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 50.

The square root of 456744947 is about 21371.5920558109. The cubic root of 456744947 is about 770.1191399390.

The spelling of 456744947 in words is "four hundred fifty-six million, seven hundred forty-four thousand, nine hundred forty-seven".