6390769427 has 16 divisors (see below), whose sum is σ = 7424524800. Its totient is φ = 5387585280.

The previous prime is 6390769417. The next prime is 6390769439. The reversal of 6390769427 is 7249670936.

It is not a de Polignac number, because 6390769427 - 2³⁰ = 5317027603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6390769417) 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, 192899 + ... + 223587.

It is an arithmetic number, because the mean of its divisors is an integer number (464032800).

Almost surely, 2^6390769427 is an apocalyptic number.

6390769427 is a deficient number, since it is larger than the sum of its proper divisors (1033755373).

6390769427 is a wasteful number, since it uses less digits than its factorization.

6390769427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31186.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The square root of 6390769427 is about 79942.2881021053. The cubic root of 6390769427 is about 1855.7425097164.

The spelling of 6390769427 in words is "six billion, three hundred ninety million, seven hundred sixty-nine thousand, four hundred twenty-seven".