470820908531 has 2 divisors, whose sum is σ = 470820908532. Its totient is φ = 470820908530.

The previous prime is 470820908521. The next prime is 470820908563. The reversal of 470820908531 is 135809028074.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 470820908531 - 2²² = 470816714227 is a prime.

It is a super-2 number, since 2×470820908531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (470820908521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235410454265 + 235410454266.

It is an arithmetic number, because the mean of its divisors is an integer number (235410454266).

Almost surely, 2^470820908531 is an apocalyptic number.

470820908531 is a deficient number, since it is larger than the sum of its proper divisors (1).

470820908531 is an equidigital number, since it uses as much as digits as its factorization.

470820908531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 470820908531 in words is "four hundred seventy billion, eight hundred twenty million, nine hundred eight thousand, five hundred thirty-one".