12475597709 has 8 divisors (see below), whose sum is σ = 12570684408. Its totient is φ = 12380569600.

The previous prime is 12475597699. The next prime is 12475597723. The reversal of 12475597709 is 90779557421.

It can be written as a sum of positive squares in 4 ways, for example, as 4084488100 + 8391109609 = 63910^2 + 91603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12475597709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12475597769) 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, 474509 + ... + 500109.

It is an arithmetic number, because the mean of its divisors is an integer number (1571335551).

Almost surely, 2^12475597709 is an apocalyptic number.

It is an amenable number.

12475597709 is a deficient number, since it is larger than the sum of its proper divisors (95086699).

12475597709 is a wasteful number, since it uses less digits than its factorization.

12475597709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29295.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 12475597709 in words is "twelve billion, four hundred seventy-five million, five hundred ninety-seven thousand, seven hundred nine".