6446765402 has 32 divisors (see below), whose sum is σ = 12060071424. Its totient is φ = 2510938800.

The previous prime is 6446765383. The next prime is 6446765443. The reversal of 6446765402 is 2045676446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834377 + ... + 842067.

It is an arithmetic number, because the mean of its divisors is an integer number (376877232).

Almost surely, 2^6446765402 is an apocalyptic number.

6446765402 is a deficient number, since it is larger than the sum of its proper divisors (5613306022).

6446765402 is a wasteful number, since it uses less digits than its factorization.

6446765402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13154.

The product of its (nonzero) digits is 967680, while the sum is 44.

The square root of 6446765402 is about 80291.7517681611. The cubic root of 6446765402 is about 1861.1467667148.

The spelling of 6446765402 in words is "six billion, four hundred forty-six million, seven hundred sixty-five thousand, four hundred two".