2251740641 has 16 divisors (see below), whose sum is σ = 2470556160. Its totient is φ = 2045440320.

The previous prime is 2251740619. The next prime is 2251740643. The reversal of 2251740641 is 1460471522.

2251740641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2251740641 - 2²⁶ = 2184631777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251740598 and 2251740607.

It is not an unprimeable number, because it can be changed into a prime (2251740643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13016 + ... + 68358.

It is an arithmetic number, because the mean of its divisors is an integer number (154409760).

Almost surely, 2^2251740641 is an apocalyptic number.

It is an amenable number.

2251740641 is a deficient number, since it is larger than the sum of its proper divisors (218815519).

2251740641 is a wasteful number, since it uses less digits than its factorization.

2251740641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55456.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2251740641 is about 47452.5093224795. The cubic root of 2251740641 is about 1310.7085188874.

The spelling of 2251740641 in words is "two billion, two hundred fifty-one million, seven hundred forty thousand, six hundred forty-one".