642524053016 has 16 divisors (see below), whose sum is σ = 1257112278000. Its totient is φ = 307294112224.

The previous prime is 642524052997. The next prime is 642524053049. The reversal of 642524053016 is 610350425246.

It is a super-3 number, since 3×642524053016³ (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 3 ways as a sum of consecutive naturals, for example, 1745989091 + ... + 1745989458.

It is an arithmetic number, because the mean of its divisors is an integer number (78569517375).

Almost surely, 2^642524053016 is an apocalyptic number.

It is an amenable number.

642524053016 is a deficient number, since it is larger than the sum of its proper divisors (614588224984).

642524053016 is a wasteful number, since it uses less digits than its factorization.

642524053016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491978578 (or 3491978574 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 642524053016 in words is "six hundred forty-two billion, five hundred twenty-four million, fifty-three thousand, sixteen".