2101833498654 has 24 divisors (see below), whose sum is σ = 4564841266440. Its totient is φ = 698939060688.

The previous prime is 2101833498647. The next prime is 2101833498679. The reversal of 2101833498654 is 4568943381012.

It is a happy number.

2101833498654 is a `hidden beast` number, since 2 + 10 + 1 + 83 + 3 + 498 + 65 + 4 = 666.

It is a super-2 number, since 2×2101833498654² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101833498654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139334377 + ... + 139349460.

It is an arithmetic number, because the mean of its divisors is an integer number (190201719435).

Almost surely, 2^{2101833498654} is an apocalyptic number.

2101833498654 is an abundant number, since it is smaller than the sum of its proper divisors (2463007767786).

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

2101833498654 is a wasteful number, since it uses less digits than its factorization.

2101833498654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278684264 (or 278684261 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 2101833498654 in words is "two trillion, one hundred one billion, eight hundred thirty-three million, four hundred ninety-eight thousand, six hundred fifty-four".