6477949401 has 24 divisors (see below), whose sum is σ = 10960837344. Its totient is φ = 3365167680.

The previous prime is 6477949393. The next prime is 6477949421. The reversal of 6477949401 is 1049497746.

It is not a de Polignac number, because 6477949401 - 2³ = 6477949393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6477949421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2001460 + ... + 2004693.

It is an arithmetic number, because the mean of its divisors is an integer number (456701556).

Almost surely, 2^6477949401 is an apocalyptic number.

It is an amenable number.

6477949401 is a deficient number, since it is larger than the sum of its proper divisors (4482887943).

6477949401 is a wasteful number, since it uses less digits than its factorization.

6477949401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006181 (or 4006174 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 6477949401 is about 80485.7092967441. The cubic root of 6477949401 is about 1864.1428257916.

The spelling of 6477949401 in words is "six billion, four hundred seventy-seven million, nine hundred forty-nine thousand, four hundred one".