12694900490045 has 8 divisors (see below), whose sum is σ = 15239327112024. Its totient is φ = 10152289376064.

The previous prime is 12694900490033. The next prime is 12694900490053. The reversal of 12694900490045 is 54009400949621.

It can be written as a sum of positive squares in 4 ways, for example, as 2041863807844 + 10653036682201 = 1428938^2 + 3263899^2 .

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 12694900490045 - 2⁶ = 12694900489981 is a prime.

It is a super-2 number, since 2×12694900490045² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453861614 + ... + 453889583.

It is an arithmetic number, because the mean of its divisors is an integer number (1904915889003).

Almost surely, 2^{12694900490045} is an apocalyptic number.

It is an amenable number.

12694900490045 is a deficient number, since it is larger than the sum of its proper divisors (2544426621979).

12694900490045 is an equidigital number, since it uses as much as digits as its factorization.

12694900490045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907753999.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 12694900490045 in words is "twelve trillion, six hundred ninety-four billion, nine hundred million, four hundred ninety thousand, forty-five".