2154004786413 has 12 divisors (see below), whose sum is σ = 3112294981120. Its totient is φ = 1435562544456.

The previous prime is 2154004786397. The next prime is 2154004786421. The reversal of 2154004786413 is 3146874004512.

2154004786413 is a `hidden beast` number, since 2 + 1 + 540 + 0 + 47 + 8 + 64 + 1 + 3 = 666.

It is not a de Polignac number, because 2154004786413 - 2⁴ = 2154004786397 is a prime.

It is a super-2 number, since 2×2154004786413² (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 (2154004788413) 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, 36689581 + ... + 36748242.

Almost surely, 2^{2154004786413} is an apocalyptic number.

It is an amenable number.

2154004786413 is a deficient number, since it is larger than the sum of its proper divisors (958290194707).

2154004786413 is a wasteful number, since it uses less digits than its factorization.

2154004786413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73441088 (or 73441085 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 2154004786413 in words is "two trillion, one hundred fifty-four billion, four million, seven hundred eighty-six thousand, four hundred thirteen".