2902123893 has 4 divisors (see below), whose sum is σ = 3869498528. Its totient is φ = 1934749260.

The previous prime is 2902123867. The next prime is 2902123909. The reversal of 2902123893 is 3983212092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2902123893 - 2¹⁰ = 2902122869 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 (2902123843) 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, 483687313 + ... + 483687318.

It is an arithmetic number, because the mean of its divisors is an integer number (967374632).

Almost surely, 2^2902123893 is an apocalyptic number.

It is an amenable number.

2902123893 is a deficient number, since it is larger than the sum of its proper divisors (967374635).

2902123893 is an equidigital number, since it uses as much as digits as its factorization.

2902123893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967374634.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2902123893 is about 53871.3643135200. The cubic root of 2902123893 is about 1426.3911958734.

The spelling of 2902123893 in words is "two billion, nine hundred two million, one hundred twenty-three thousand, eight hundred ninety-three".