13773698452 has 24 divisors (see below), whose sum is σ = 25774557480. Its totient is φ = 6417561600.

The previous prime is 13773698431. The next prime is 13773698479. The reversal of 13773698452 is 25489637731.

It can be written as a sum of positive squares in 4 ways, for example, as 4916253456 + 8857444996 = 70116^2 + 94114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13773698393 and 13773698402.

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, 995877 + ... + 1009612.

It is an arithmetic number, because the mean of its divisors is an integer number (1073939895).

Almost surely, 2^13773698452 is an apocalyptic number.

It is an amenable number.

13773698452 is a deficient number, since it is larger than the sum of its proper divisors (12000859028).

13773698452 is a wasteful number, since it uses less digits than its factorization.

13773698452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005611 (or 2005609 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 13773698452 in words is "thirteen billion, seven hundred seventy-three million, six hundred ninety-eight thousand, four hundred fifty-two".