6407099477 has 4 divisors (see below), whose sum is σ = 6409463820. Its totient is φ = 6404735136.

The previous prime is 6407099467. The next prime is 6407099483. The reversal of 6407099477 is 7749907046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5948882641 + 458216836 = 77129^2 + 21406^2 .

It is a cyclic number.

It is not a de Polignac number, because 6407099477 - 2¹² = 6407095381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6407099467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178102 + ... + 1183527.

It is an arithmetic number, because the mean of its divisors is an integer number (1602365955).

Almost surely, 2^6407099477 is an apocalyptic number.

It is an amenable number.

6407099477 is a deficient number, since it is larger than the sum of its proper divisors (2364343).

6407099477 is a wasteful number, since it uses less digits than its factorization.

6407099477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364342.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The square root of 6407099477 is about 80044.3594327545. The cubic root of 6407099477 is about 1857.3217975259.

The spelling of 6407099477 in words is "six billion, four hundred seven million, ninety-nine thousand, four hundred seventy-seven".