2109901637484 has 36 divisors (see below), whose sum is σ = 5530894418504. Its totient is φ = 703300545504.

The previous prime is 2109901637483. The next prime is 2109901637489. The reversal of 2109901637484 is 4847361099012.

2109901637484 is a `hidden beast` number, since 2 + 10 + 9 + 90 + 1 + 63 + 7 + 484 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2109901637484.

It is not an unprimeable number, because it can be changed into a prime (2109901637483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085339377 + ... + 1085341320.

Almost surely, 2^{2109901637484} is an apocalyptic number.

It is an amenable number.

2109901637484 is an abundant number, since it is smaller than the sum of its proper divisors (3420992781020).

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

2109901637484 is a wasteful number, since it uses less digits than its factorization.

2109901637484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170680716 (or 2170680702 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 2109901637484 in words is "two trillion, one hundred nine billion, nine hundred one million, six hundred thirty-seven thousand, four hundred eighty-four".