6430064455 has 32 divisors (see below), whose sum is σ = 8208216000. Its totient is φ = 4821967872.

The previous prime is 6430064441. The next prime is 6430064477. The reversal of 6430064455 is 5544600346.

It is a cyclic number.

It is not a de Polignac number, because 6430064455 - 2¹¹ = 6430062407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4486419 + ... + 4487851.

It is an arithmetic number, because the mean of its divisors is an integer number (256506750).

Almost surely, 2^6430064455 is an apocalyptic number.

6430064455 is a deficient number, since it is larger than the sum of its proper divisors (1778151545).

6430064455 is a wasteful number, since it uses less digits than its factorization.

6430064455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 6430064455 is about 80187.6826888020. The cubic root of 6430064455 is about 1859.5382187930.

The spelling of 6430064455 in words is "six billion, four hundred thirty million, sixty-four thousand, four hundred fifty-five".