12952953537 has 8 divisors (see below), whose sum is σ = 17273174304. Its totient is φ = 8634017568.

The previous prime is 12952953527. The next prime is 12952953583. The reversal of 12952953537 is 73535925921.

It is a happy number.

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

It is not a de Polignac number, because 12952953537 - 2⁴ = 12952953521 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12952953537.

It is not an unprimeable number, because it can be changed into a prime (12952953527) 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, 297423 + ... + 338180.

It is an arithmetic number, because the mean of its divisors is an integer number (2159146788).

Almost surely, 2^12952953537 is an apocalyptic number.

It is an amenable number.

12952953537 is a deficient number, since it is larger than the sum of its proper divisors (4320220767).

12952953537 is an equidigital number, since it uses as much as digits as its factorization.

12952953537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642399.

The product of its digits is 2551500, while the sum is 51.

The spelling of 12952953537 in words is "twelve billion, nine hundred fifty-two million, nine hundred fifty-three thousand, five hundred thirty-seven".