2101833498642 has 64 divisors (see below), whose sum is σ = 4688393011200. Its totient is φ = 624268028160.

The previous prime is 2101833498641. The next prime is 2101833498647. The reversal of 2101833498642 is 2468943381012.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2101833498641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2482159 + ... + 3219437.

It is an arithmetic number, because the mean of its divisors is an integer number (73256140800).

Almost surely, 2^{2101833498642} is an apocalyptic number.

2101833498642 is an abundant number, since it is smaller than the sum of its proper divisors (2586559512558).

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

2101833498642 is a wasteful number, since it uses less digits than its factorization.

2101833498642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738791.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 2101833498642 in words is "two trillion, one hundred one billion, eight hundred thirty-three million, four hundred ninety-eight thousand, six hundred forty-two".