2745231015 has 16 divisors (see below), whose sum is σ = 4403847168. Its totient is φ = 1460297376.

The previous prime is 2745230989. The next prime is 2745231023. The reversal of 2745231015 is 5101325472.

2745231015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2745231015 - 2²⁴ = 2728453799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233179 + ... + 244668.

It is an arithmetic number, because the mean of its divisors is an integer number (275240448).

Almost surely, 2^2745231015 is an apocalyptic number.

2745231015 is a deficient number, since it is larger than the sum of its proper divisors (1658616153).

2745231015 is a wasteful number, since it uses less digits than its factorization.

2745231015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478238.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2745231015 is about 52394.9521900727. The cubic root of 2745231015 is about 1400.2093249931.

Adding to 2745231015 its reverse (5101325472), we get a palindrome (7846556487).

The spelling of 2745231015 in words is "two billion, seven hundred forty-five million, two hundred thirty-one thousand, fifteen".