2901902993 has 4 divisors (see below), whose sum is σ = 3165712368. Its totient is φ = 2638093620.

The previous prime is 2901902989. The next prime is 2901903019. The reversal of 2901902993 is 3992091092.

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 a cyclic number.

It is not a de Polignac number, because 2901902993 - 2² = 2901902989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2901902903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131904671 + ... + 131904692.

It is an arithmetic number, because the mean of its divisors is an integer number (791428092).

Almost surely, 2^2901902993 is an apocalyptic number.

It is an amenable number.

2901902993 is a deficient number, since it is larger than the sum of its proper divisors (263809375).

2901902993 is a wasteful number, since it uses less digits than its factorization.

2901902993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263809374.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 2901902993 is about 53869.3140201358. The cubic root of 2901902993 is about 1426.3550042403.

The spelling of 2901902993 in words is "two billion, nine hundred one million, nine hundred two thousand, nine hundred ninety-three".