2658893493 has 4 divisors (see below), whose sum is σ = 3545191328. Its totient is φ = 1772595660.

The previous prime is 2658893429. The next prime is 2658893509. The reversal of 2658893493 is 3943988562.

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 2658893493 - 2⁶ = 2658893429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658895493) 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, 443148913 + ... + 443148918.

It is an arithmetic number, because the mean of its divisors is an integer number (886297832).

Almost surely, 2^2658893493 is an apocalyptic number.

It is an amenable number.

2658893493 is a deficient number, since it is larger than the sum of its proper divisors (886297835).

2658893493 is an equidigital number, since it uses as much as digits as its factorization.

2658893493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886297834.

The product of its digits is 11197440, while the sum is 57.

The square root of 2658893493 is about 51564.4595918545. The cubic root of 2658893493 is about 1385.3738329761.

The spelling of 2658893493 in words is "two billion, six hundred fifty-eight million, eight hundred ninety-three thousand, four hundred ninety-three".