12645253083 has 4 divisors (see below), whose sum is σ = 16860337448. Its totient is φ = 8430168720.

The previous prime is 12645253081. The next prime is 12645253129. The reversal of 12645253083 is 38035254621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12645253083 - 2¹ = 12645253081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12645253081) 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, 2107542178 + ... + 2107542183.

It is an arithmetic number, because the mean of its divisors is an integer number (4215084362).

Almost surely, 2^12645253083 is an apocalyptic number.

12645253083 is a deficient number, since it is larger than the sum of its proper divisors (4215084365).

12645253083 is an equidigital number, since it uses as much as digits as its factorization.

12645253083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215084364.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 12645253083 in words is "twelve billion, six hundred forty-five million, two hundred fifty-three thousand, eighty-three".