2100936549 has 8 divisors (see below), whose sum is σ = 2801545632. Its totient is φ = 1400475920.

The previous prime is 2100936493. The next prime is 2100936583. The reversal of 2100936549 is 9456390012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100936549 - 2⁸ = 2100936293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100936599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714 + ... + 64844.

It is an arithmetic number, because the mean of its divisors is an integer number (350193204).

Almost surely, 2^2100936549 is an apocalyptic number.

It is an amenable number.

2100936549 is a deficient number, since it is larger than the sum of its proper divisors (700609083).

2100936549 is a wasteful number, since it uses less digits than its factorization.

2100936549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74227.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 2100936549 is about 45835.9743978461. The cubic root of 2100936549 is about 1280.7695057638.

The spelling of 2100936549 in words is "two billion, one hundred million, nine hundred thirty-six thousand, five hundred forty-nine".