1373312477663 has 8 divisors (see below), whose sum is σ = 1571881618560. Its totient is φ = 1175338747800.

The previous prime is 1373312477659. The next prime is 1373312477743. The reversal of 1373312477663 is 3667742133731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373312477663 - 2² = 1373312477659 is a prime.

It is a super-2 number, since 2×1373312477663² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373312474663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148847813 + ... + 148857038.

It is an arithmetic number, because the mean of its divisors is an integer number (196485202320).

Almost surely, 2^{1373312477663} is an apocalyptic number.

1373312477663 is a deficient number, since it is larger than the sum of its proper divisors (198569140897).

1373312477663 is an equidigital number, since it uses as much as digits as its factorization.

1373312477663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297705517.

The product of its digits is 8001504, while the sum is 53.

The spelling of 1373312477663 in words is "one trillion, three hundred seventy-three billion, three hundred twelve million, four hundred seventy-seven thousand, six hundred sixty-three".