13899034652 has 24 divisors (see below), whose sum is σ = 25130641536. Its totient is φ = 6721990128.

The previous prime is 13899034601. The next prime is 13899034657. The reversal of 13899034652 is 25643099831.

It is a happy number.

It is a super-2 number, since 2×13899034652² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13899034652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899034657) 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, 374558 + ... + 409989.

It is an arithmetic number, because the mean of its divisors is an integer number (1047110064).

Almost surely, 2^13899034652 is an apocalyptic number.

It is an amenable number.

13899034652 is a deficient number, since it is larger than the sum of its proper divisors (11231606884).

13899034652 is a wasteful number, since it uses less digits than its factorization.

13899034652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784697 (or 784695 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 13899034652 in words is "thirteen billion, eight hundred ninety-nine million, thirty-four thousand, six hundred fifty-two".