2745622291 has 8 divisors (see below), whose sum is σ = 2834822144. Its totient is φ = 2656461960.

The previous prime is 2745622267. The next prime is 2745622331. The reversal of 2745622291 is 1922265472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2745622291 - 2²⁵ = 2712067859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745622211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207706 + ... + 220528.

It is an arithmetic number, because the mean of its divisors is an integer number (354352768).

Almost surely, 2^2745622291 is an apocalyptic number.

2745622291 is a deficient number, since it is larger than the sum of its proper divisors (89199853).

2745622291 is a wasteful number, since it uses less digits than its factorization.

2745622291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19761.

The product of its digits is 120960, while the sum is 40.

The square root of 2745622291 is about 52398.6859663484. The cubic root of 2745622291 is about 1400.2758454758.

The spelling of 2745622291 in words is "two billion, seven hundred forty-five million, six hundred twenty-two thousand, two hundred ninety-one".