477149643 has 16 divisors (see below), whose sum is σ = 707284000. Its totient is φ = 317921760.

The previous prime is 477149633. The next prime is 477149657. The reversal of 477149643 is 346941774.

It is not a de Polignac number, because 477149643 - 2⁵ = 477149611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477149633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59433 + ... + 66981.

It is an arithmetic number, because the mean of its divisors is an integer number (44205250).

Almost surely, 2^477149643 is an apocalyptic number.

477149643 is a deficient number, since it is larger than the sum of its proper divisors (230134357).

477149643 is a wasteful number, since it uses less digits than its factorization.

477149643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899 (or 9893 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 477149643 is about 21843.7552403427. The cubic root of 477149643 is about 781.4206210982.

The spelling of 477149643 in words is "four hundred seventy-seven million, one hundred forty-nine thousand, six hundred forty-three".