2902123892 has 6 divisors (see below), whose sum is σ = 5078716818. Its totient is φ = 1451061944.

The previous prime is 2902123867. The next prime is 2902123909. The reversal of 2902123892 is 2983212092.

It can be written as a sum of positive squares in only one way, i.e., 2829601636 + 72522256 = 53194^2 + 8516^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 362765483 + ... + 362765490.

It is an arithmetic number, because the mean of its divisors is an integer number (846452803).

Almost surely, 2^2902123892 is an apocalyptic number.

It is an amenable number.

2902123892 is a deficient number, since it is larger than the sum of its proper divisors (2176592926).

2902123892 is a wasteful number, since it uses less digits than its factorization.

2902123892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725530977 (or 725530975 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2902123892 is about 53871.3643042387. The cubic root of 2902123892 is about 1426.3911957096.

The spelling of 2902123892 in words is "two billion, nine hundred two million, one hundred twenty-three thousand, eight hundred ninety-two".