2101752645 has 8 divisors (see below), whose sum is σ = 3362804256. Its totient is φ = 1120934736.

The previous prime is 2101752637. The next prime is 2101752661. The reversal of 2101752645 is 5462571012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101752645 - 2³ = 2101752637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70058407 + ... + 70058436.

It is an arithmetic number, because the mean of its divisors is an integer number (420350532).

Almost surely, 2^2101752645 is an apocalyptic number.

It is an amenable number.

2101752645 is a deficient number, since it is larger than the sum of its proper divisors (1261051611).

2101752645 is a wasteful number, since it uses less digits than its factorization.

2101752645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140116851.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2101752645 is about 45844.8758859701. The cubic root of 2101752645 is about 1280.9353199991.

The spelling of 2101752645 in words is "two billion, one hundred one million, seven hundred fifty-two thousand, six hundred forty-five".