2253721959 has 12 divisors (see below), whose sum is σ = 3288938016. Its totient is φ = 1486991232.

The previous prime is 2253721949. The next prime is 2253721963. The reversal of 2253721959 is 9591273522.

2253721959 is a `hidden beast` number, since 2 + 2 + 537 + 21 + 95 + 9 = 666.

It is not a de Polignac number, because 2253721959 - 2⁵ = 2253721927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253721949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289919 + ... + 1291664.

It is an arithmetic number, because the mean of its divisors is an integer number (274078168).

Almost surely, 2^2253721959 is an apocalyptic number.

2253721959 is a deficient number, since it is larger than the sum of its proper divisors (1035216057).

2253721959 is a wasteful number, since it uses less digits than its factorization.

2253721959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581686 (or 2581683 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 2253721959 is about 47473.3815837886. The cubic root of 2253721959 is about 1311.0928392101.

The spelling of 2253721959 in words is "two billion, two hundred fifty-three million, seven hundred twenty-one thousand, nine hundred fifty-nine".