407477489 has 2 divisors, whose sum is σ = 407477490. Its totient is φ = 407477488.

The previous prime is 407477479. The next prime is 407477533. The reversal of 407477489 is 984774704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407434225 + 43264 = 20185^2 + 208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407477489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (407477429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203738744 + 203738745.

It is an arithmetic number, because the mean of its divisors is an integer number (203738745).

Almost surely, 2^407477489 is an apocalyptic number.

It is an amenable number.

407477489 is a deficient number, since it is larger than the sum of its proper divisors (1).

407477489 is an equidigital number, since it uses as much as digits as its factorization.

407477489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 407477489 is about 20186.0716584481. The cubic root of 407477489 is about 741.3692017102.

The spelling of 407477489 in words is "four hundred seven million, four hundred seventy-seven thousand, four hundred eighty-nine".