2149752902 has 8 divisors (see below), whose sum is σ = 3517777512. Its totient is φ = 977160400.

The previous prime is 2149752859. The next prime is 2149752907. The reversal of 2149752902 is 2092579412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2149752902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149752907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48857999 + ... + 48858042.

It is an arithmetic number, because the mean of its divisors is an integer number (439722189).

Almost surely, 2^2149752902 is an apocalyptic number.

2149752902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2149752902 is a deficient number, since it is larger than the sum of its proper divisors (1368024610).

2149752902 is a wasteful number, since it uses less digits than its factorization.

2149752902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97716054.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2149752902 is about 46365.4278746568. The cubic root of 2149752902 is about 1290.6134337849.

The spelling of 2149752902 in words is "two billion, one hundred forty-nine million, seven hundred fifty-two thousand, nine hundred two".