1652942879538 has 32 divisors (see below), whose sum is σ = 3320825570496. Its totient is φ = 548491542528.

The previous prime is 1652942879453. The next prime is 1652942879573. The reversal of 1652942879538 is 8359782492561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12838170 + ... + 12966282.

It is an arithmetic number, because the mean of its divisors is an integer number (103775799078).

Almost surely, 2^{1652942879538} is an apocalyptic number.

1652942879538 is an abundant number, since it is smaller than the sum of its proper divisors (1667882690958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1652942879538 is a wasteful number, since it uses less digits than its factorization.

1652942879538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137818.

The product of its digits is 261273600, while the sum is 69.

It can be divided in two parts, 16529428 and 79538, that added together give a triangular number (16608966 = T₅₇₆₃).

The spelling of 1652942879538 in words is "one trillion, six hundred fifty-two billion, nine hundred forty-two million, eight hundred seventy-nine thousand, five hundred thirty-eight".