12745253493 has 48 divisors (see below), whose sum is σ = 21695506560. Its totient is φ = 7059341952.

The previous prime is 12745253491. The next prime is 12745253503. The reversal of 12745253493 is 39435254721.

It is a happy number.

12745253493 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 525 + 34 + 93 = 666.

It is not a de Polignac number, because 12745253493 - 2¹ = 12745253491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745253491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254143 + ... + 300131.

It is an arithmetic number, because the mean of its divisors is an integer number (451989720).

Almost surely, 2^12745253493 is an apocalyptic number.

It is an amenable number.

12745253493 is a deficient number, since it is larger than the sum of its proper divisors (8950253067).

12745253493 is a wasteful number, since it uses less digits than its factorization.

12745253493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46138 (or 46135 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 12745253493 in words is "twelve billion, seven hundred forty-five million, two hundred fifty-three thousand, four hundred ninety-three".