1373047351536 has 160 divisors (see below), whose sum is σ = 4122093534208. Its totient is φ = 385692088320.

The previous prime is 1373047351411. The next prime is 1373047351547. The reversal of 1373047351536 is 6351537403731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48704901 + ... + 48733083.

Almost surely, 2^{1373047351536} is an apocalyptic number.

1373047351536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373047351536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061046767104).

1373047351536 is an abundant number, since it is smaller than the sum of its proper divisors (2749046182672).

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

1373047351536 is a wasteful number, since it uses less digits than its factorization.

1373047351536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639 (or 30633 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 48.

The spelling of 1373047351536 in words is "one trillion, three hundred seventy-three billion, forty-seven million, three hundred fifty-one thousand, five hundred thirty-six".