2801293997 has 4 divisors (see below), whose sum is σ = 2802786720. Its totient is φ = 2799801276.

The previous prime is 2801293927. The next prime is 2801294011. The reversal of 2801293997 is 7993921082.

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 2801293997 - 2¹² = 2801289901 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 (2801293927) 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, 743543 + ... + 747300.

It is an arithmetic number, because the mean of its divisors is an integer number (700696680).

Almost surely, 2^2801293997 is an apocalyptic number.

It is an amenable number.

2801293997 is a deficient number, since it is larger than the sum of its proper divisors (1492723).

2801293997 is a wasteful number, since it uses less digits than its factorization.

2801293997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492722.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 2801293997 is about 52927.2519313066. The cubic root of 2801293997 is about 1409.6768363890.

The spelling of 2801293997 in words is "two billion, eight hundred one million, two hundred ninety-three thousand, nine hundred ninety-seven".