2100465871534 has 4 divisors (see below), whose sum is σ = 3150698807304. Its totient is φ = 1050232935766.

The previous prime is 2100465871501. The next prime is 2100465871571. The reversal of 2100465871534 is 4351785640012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525116467882 + ... + 525116467885.

It is an arithmetic number, because the mean of its divisors is an integer number (787674701826).

Almost surely, 2^{2100465871534} is an apocalyptic number.

2100465871534 is a deficient number, since it is larger than the sum of its proper divisors (1050232935770).

2100465871534 is a wasteful number, since it uses less digits than its factorization.

2100465871534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050232935769.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 2100465871534 in words is "two trillion, one hundred billion, four hundred sixty-five million, eight hundred seventy-one thousand, five hundred thirty-four".