2125045499 has 16 divisors (see below), whose sum is σ = 2246219520. Its totient is φ = 2007482400.

The previous prime is 2125045477. The next prime is 2125045553. The reversal of 2125045499 is 9945405212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125045499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125045459) 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, 289772 + ... + 297014.

It is an arithmetic number, because the mean of its divisors is an integer number (140388720).

Almost surely, 2^2125045499 is an apocalyptic number.

2125045499 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2125045499 is a deficient number, since it is larger than the sum of its proper divisors (121174021).

2125045499 is a wasteful number, since it uses less digits than its factorization.

2125045499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2125045499 is about 46098.2157897678. The cubic root of 2125045499 is about 1285.6499710080.

The spelling of 2125045499 in words is "two billion, one hundred twenty-five million, forty-five thousand, four hundred ninety-nine".