2099149560 has 64 divisors (see below), whose sum is σ = 6997168800. Its totient is φ = 559772928.

The previous prime is 2099149537. The next prime is 2099149567. The reversal of 2099149560 is 659419902.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099149567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970749 + ... + 972908.

Almost surely, 2^2099149560 is an apocalyptic number.

2099149560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099149560 is an abundant number, since it is smaller than the sum of its proper divisors (4898019240).

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

2099149560 is a wasteful number, since it uses less digits than its factorization.

2099149560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943677 (or 1943667 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2099149560 is about 45816.4769488009. The cubic root of 2099149560 is about 1280.4062756557.

The spelling of 2099149560 in words is "two billion, ninety-nine million, one hundred forty-nine thousand, five hundred sixty".