1351612356638 has 16 divisors (see below), whose sum is σ = 2152283374080. Its totient is φ = 634392155136.

The previous prime is 1351612356623. The next prime is 1351612356827. The reversal of 1351612356638 is 8366532161531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51884243 + ... + 51910286.

It is an arithmetic number, because the mean of its divisors is an integer number (134517710880).

Almost surely, 2^{1351612356638} is an apocalyptic number.

1351612356638 is a deficient number, since it is larger than the sum of its proper divisors (800671017442).

1351612356638 is a wasteful number, since it uses less digits than its factorization.

1351612356638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103794931.

The product of its digits is 2332800, while the sum is 50.

The spelling of 1351612356638 in words is "one trillion, three hundred fifty-one billion, six hundred twelve million, three hundred fifty-six thousand, six hundred thirty-eight".