13046519021 has 8 divisors (see below), whose sum is σ = 13583823288. Its totient is φ = 12519648000.

The previous prime is 13046519009. The next prime is 13046519023. The reversal of 13046519021 is 12091564031.

It can be written as a sum of positive squares in 4 ways, for example, as 921426025 + 12125092996 = 30355^2 + 110114^2 .

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-13046519021 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 (13046519023) 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, 2605760 + ... + 2610761.

It is an arithmetic number, because the mean of its divisors is an integer number (1697977911).

Almost surely, 2^13046519021 is an apocalyptic number.

It is an amenable number.

13046519021 is a deficient number, since it is larger than the sum of its proper divisors (537304267).

13046519021 is an equidigital number, since it uses as much as digits as its factorization.

13046519021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216623.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 13046519021 in words is "thirteen billion, forty-six million, five hundred nineteen thousand, twenty-one".