2125699508 has 12 divisors (see below), whose sum is σ = 3720831072. Its totient is φ = 1062604920.

The previous prime is 2125699501. The next prime is 2125699523. The reversal of 2125699508 is 8059965212.

It is a super-2 number, since 2×2125699508² = 9037196796622884128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125699501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40928 + ... + 76983.

It is an arithmetic number, because the mean of its divisors is an integer number (310069256).

Almost surely, 2^2125699508 is an apocalyptic number.

It is an amenable number.

2125699508 is a deficient number, since it is larger than the sum of its proper divisors (1595131564).

2125699508 is a wasteful number, since it uses less digits than its factorization.

2125699508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122422 (or 122420 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 2125699508 is about 46105.3088917101. The cubic root of 2125699508 is about 1285.7818490327.

The spelling of 2125699508 in words is "two billion, one hundred twenty-five million, six hundred ninety-nine thousand, five hundred eight".