1373641380736 has 32 divisors (see below), whose sum is σ = 2739852426600. Its totient is φ = 685992144384.

The previous prime is 1373641380731. The next prime is 1373641380757. The reversal of 1373641380736 is 6370831463731.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373641380731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6366490 + ... + 6578713.

Almost surely, 2^{1373641380736} is an apocalyptic number.

1373641380736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1373641380736 is a deficient number, since it is larger than the sum of its proper divisors (1366211045864).

1373641380736 is an equidigital number, since it uses as much as digits as its factorization.

1373641380736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946046 (or 12946034 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 1373641380736 in words is "one trillion, three hundred seventy-three billion, six hundred forty-one million, three hundred eighty thousand, seven hundred thirty-six".