474135647 has 2 divisors, whose sum is σ = 474135648. Its totient is φ = 474135646.

The previous prime is 474135631. The next prime is 474135659. The reversal of 474135647 is 746531474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474135647 - 2⁴ = 474135631 is a prime.

It is a super-2 number, since 2×474135647² = 449609223512217218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474135047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237067823 + 237067824.

It is an arithmetic number, because the mean of its divisors is an integer number (237067824).

Almost surely, 2^474135647 is an apocalyptic number.

474135647 is a deficient number, since it is larger than the sum of its proper divisors (1).

474135647 is an equidigital number, since it uses as much as digits as its factorization.

474135647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 474135647 is about 21774.6560707626. The cubic root of 474135647 is about 779.7718196235.

The spelling of 474135647 in words is "four hundred seventy-four million, one hundred thirty-five thousand, six hundred forty-seven".