2154213496371 has 12 divisors (see below), whose sum is σ = 3051181285592. Its totient is φ = 1351663369728.

The previous prime is 2154213496343. The next prime is 2154213496387. The reversal of 2154213496371 is 1736943124512.

It is not a de Polignac number, because 2154213496371 - 2⁵ = 2154213496339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154213496371.

It is not an unprimeable number, because it can be changed into a prime (2154213496321) 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, 1242336790 + ... + 1242338523.

Almost surely, 2^{2154213496371} is an apocalyptic number.

2154213496371 is a deficient number, since it is larger than the sum of its proper divisors (896967789221).

2154213496371 is a wasteful number, since it uses less digits than its factorization.

2154213496371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484675350 (or 2484675333 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 2154213496371 in words is "two trillion, one hundred fifty-four billion, two hundred thirteen million, four hundred ninety-six thousand, three hundred seventy-one".