13513613641474 has 8 divisors (see below), whose sum is σ = 20271300285708. Its totient is φ = 6756513546240.

The previous prime is 13513613641471. The next prime is 13513613641487. The reversal of 13513613641474 is 47414631631531.

It can be written as a sum of positive squares in 2 ways, for example, as 12716534300625 + 797079340849 = 3566025^2 + 892793^2 .

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

It is a super-3 number, since 3×13513613641474³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13513613641471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146579647 + ... + 146671810.

Almost surely, 2^{13513613641474} is an apocalyptic number.

13513613641474 is a deficient number, since it is larger than the sum of its proper divisors (6757686644234).

13513613641474 is a wasteful number, since it uses less digits than its factorization.

13513613641474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293274500.

The product of its digits is 2177280, while the sum is 49.

The spelling of 13513613641474 in words is "thirteen trillion, five hundred thirteen billion, six hundred thirteen million, six hundred forty-one thousand, four hundred seventy-four".