2802252149 has 4 divisors (see below), whose sum is σ = 2805896940. Its totient is φ = 2798607360.

The previous prime is 2802252143. The next prime is 2802252157. The reversal of 2802252149 is 9412522082.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9412522082 = 2 ⋅4706261041.

It can be written as a sum of positive squares in 2 ways, for example, as 1901832100 + 900420049 = 43610^2 + 30007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2802252149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2802252143) 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, 1821242 + ... + 1822779.

It is an arithmetic number, because the mean of its divisors is an integer number (701474235).

Almost surely, 2^2802252149 is an apocalyptic number.

It is an amenable number.

2802252149 is a deficient number, since it is larger than the sum of its proper divisors (3644791).

2802252149 is an equidigital number, since it uses as much as digits as its factorization.

2802252149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644790.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2802252149 is about 52936.3027515145. The cubic root of 2802252149 is about 1409.8375395873.

The spelling of 2802252149 in words is "two billion, eight hundred two million, two hundred fifty-two thousand, one hundred forty-nine".