6412520642 has 16 divisors (see below), whose sum is σ = 10496628864. Its totient is φ = 2913834000.

The previous prime is 6412520633. The next prime is 6412520659. The reversal of 6412520642 is 2460252146.

It is a super-3 number, since 3×6412520642³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6412520599 and 6412520608.

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, 24167 + ... + 115797.

It is an arithmetic number, because the mean of its divisors is an integer number (656039304).

Almost surely, 2^6412520642 is an apocalyptic number.

6412520642 is a deficient number, since it is larger than the sum of its proper divisors (4084108222).

6412520642 is a wasteful number, since it uses less digits than its factorization.

6412520642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94825.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 6412520642 is about 80078.2157768266. The cubic root of 6412520642 is about 1857.8454879249.

Adding to 6412520642 its reverse (2460252146), we get a palindrome (8872772788).

The spelling of 6412520642 in words is "six billion, four hundred twelve million, five hundred twenty thousand, six hundred forty-two".