643476650462 has 16 divisors (see below), whose sum is σ = 971745390000. Its totient is φ = 319561753920.

The previous prime is 643476650449. The next prime is 643476650471. The reversal of 643476650462 is 264056674346.

It is a super-3 number, since 3×643476650462³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6836762 + ... + 6930242.

It is an arithmetic number, because the mean of its divisors is an integer number (60734086875).

Almost surely, 2^643476650462 is an apocalyptic number.

643476650462 is a deficient number, since it is larger than the sum of its proper divisors (328268739538).

643476650462 is a wasteful number, since it uses less digits than its factorization.

643476650462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116731.

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 643476650462 in words is "six hundred forty-three billion, four hundred seventy-six million, six hundred fifty thousand, four hundred sixty-two".