13041990245 has 8 divisors (see below), whose sum is σ = 15652717080. Its totient is φ = 10432039680.

The previous prime is 13041990239. The next prime is 13041990263. The reversal of 13041990245 is 54209914031.

It can be written as a sum of positive squares in 4 ways, for example, as 1001975716 + 12040014529 = 31654^2 + 109727^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-13041990245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13041990199 and 13041990208.

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, 156440 + ... + 224849.

It is an arithmetic number, because the mean of its divisors is an integer number (1956589635).

Almost surely, 2^13041990245 is an apocalyptic number.

It is an amenable number.

13041990245 is a deficient number, since it is larger than the sum of its proper divisors (2610726835).

13041990245 is an equidigital number, since it uses as much as digits as its factorization.

13041990245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388135.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 13041990245 in words is "thirteen billion, forty-one million, nine hundred ninety thousand, two hundred forty-five".