2125503849 has 16 divisors (see below), whose sum is σ = 3239832960. Its totient is φ = 1214209920.

The previous prime is 2125503839. The next prime is 2125503857. The reversal of 2125503849 is 9483055212.

It is not a de Polignac number, because 2125503849 - 2⁴ = 2125503833 is a prime.

It is a super-2 number, since 2×2125503849² = 9035533224227629602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2125503839) 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, 66997 + ... + 93485.

It is an arithmetic number, because the mean of its divisors is an integer number (202489560).

Almost surely, 2^2125503849 is an apocalyptic number.

It is an amenable number.

2125503849 is a deficient number, since it is larger than the sum of its proper divisors (1114329111).

2125503849 is a wasteful number, since it uses less digits than its factorization.

2125503849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30320.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2125503849 is about 46103.1869722691. The cubic root of 2125503849 is about 1285.7423980961.

The spelling of 2125503849 in words is "two billion, one hundred twenty-five million, five hundred three thousand, eight hundred forty-nine".