2797423819 has 4 divisors (see below), whose sum is σ = 2822179896. Its totient is φ = 2772667744.

The previous prime is 2797423801. The next prime is 2797423841. The reversal of 2797423819 is 9183247972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2797423819 - 2¹¹ = 2797421771 is a prime.

It is a super-2 number, since 2×2797423819² = 15651160046217089522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2797423319) 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, 12377869 + ... + 12378094.

It is an arithmetic number, because the mean of its divisors is an integer number (705544974).

Almost surely, 2^2797423819 is an apocalyptic number.

2797423819 is a deficient number, since it is larger than the sum of its proper divisors (24756077).

2797423819 is a wasteful number, since it uses less digits than its factorization.

2797423819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24756076.

The product of its digits is 1524096, while the sum is 52.

The square root of 2797423819 is about 52890.6779971669. The cubic root of 2797423819 is about 1409.0273490820.

The spelling of 2797423819 in words is "two billion, seven hundred ninety-seven million, four hundred twenty-three thousand, eight hundred nineteen".