2745100663 has 4 divisors (see below), whose sum is σ = 2745262600. Its totient is φ = 2744938728.

The previous prime is 2745100651. The next prime is 2745100667. The reversal of 2745100663 is 3660015472.

It is a happy number.

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 2745100663 - 2²¹ = 2743003511 is a prime.

It is a super-3 number, since 3×2745100663³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745100667) 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, 52113 + ... + 90586.

It is an arithmetic number, because the mean of its divisors is an integer number (686315650).

Almost surely, 2^2745100663 is an apocalyptic number.

2745100663 is a deficient number, since it is larger than the sum of its proper divisors (161937).

2745100663 is a wasteful number, since it uses less digits than its factorization.

2745100663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161936.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2745100663 is about 52393.7082386807. The cubic root of 2745100663 is about 1400.1871625626.

The spelling of 2745100663 in words is "two billion, seven hundred forty-five million, one hundred thousand, six hundred sixty-three".