12645391053 has 8 divisors (see below), whose sum is σ = 17593587648. Its totient is φ = 8063727584.

The previous prime is 12645390971. The next prime is 12645391063. The reversal of 12645391053 is 35019354621.

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 12645391053 - 2¹³ = 12645382861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645391063) 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, 91633200 + ... + 91633337.

It is an arithmetic number, because the mean of its divisors is an integer number (2199198456).

Almost surely, 2^12645391053 is an apocalyptic number.

It is an amenable number.

12645391053 is a deficient number, since it is larger than the sum of its proper divisors (4948196595).

12645391053 is a wasteful number, since it uses less digits than its factorization.

12645391053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183266563.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 12645391053 in words is "twelve billion, six hundred forty-five million, three hundred ninety-one thousand, fifty-three".