2789990091504 has 240 divisors, whose sum is σ = 10162673475840. Its totient is φ = 724672690560.

The previous prime is 2789990091503. The next prime is 2789990091517. The reversal of 2789990091504 is 4051900999872.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789990091503) 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 47 ways as a sum of consecutive naturals, for example, 5758164 + ... + 6223859.

It is an arithmetic number, because the mean of its divisors is an integer number (42344472816).

Almost surely, 2^{2789990091504} is an apocalyptic number.

2789990091504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2789990091504 is an abundant number, since it is smaller than the sum of its proper divisors (7372683384336).

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

2789990091504 is a wasteful number, since it uses less digits than its factorization.

2789990091504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11982065 (or 11982046 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 2789990091504 in words is "two trillion, seven hundred eighty-nine billion, nine hundred ninety million, ninety-one thousand, five hundred four".