13619472068 has 6 divisors (see below), whose sum is σ = 23834076126. Its totient is φ = 6809736032.

The previous prime is 13619472037. The next prime is 13619472073. The reversal of 13619472068 is 86027491631.

It can be written as a sum of positive squares in only one way, i.e., 10806018304 + 2813453764 = 103952^2 + 53042^2 .

It is a super-2 number, since 2×13619472068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702434005 + ... + 1702434012.

It is an arithmetic number, because the mean of its divisors is an integer number (3972346021).

Almost surely, 2^13619472068 is an apocalyptic number.

It is an amenable number.

13619472068 is a deficient number, since it is larger than the sum of its proper divisors (10214604058).

13619472068 is a wasteful number, since it uses less digits than its factorization.

13619472068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404868021 (or 3404868019 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 13619472068 in words is "thirteen billion, six hundred nineteen million, four hundred seventy-two thousand, sixty-eight".