13965263253 has 48 divisors (see below), whose sum is σ = 21183731712. Its totient is φ = 8855028000.

The previous prime is 13965263227. The next prime is 13965263297. The reversal of 13965263253 is 35236256931.

It is a happy number.

13965263253 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 5 + 2 + 632 + 5 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13965263253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13965263199 and 13965263208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965263453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3908958 + ... + 3912528.

It is an arithmetic number, because the mean of its divisors is an integer number (441327744).

Almost surely, 2^13965263253 is an apocalyptic number.

It is an amenable number.

13965263253 is a deficient number, since it is larger than the sum of its proper divisors (7218468459).

13965263253 is a wasteful number, since it uses less digits than its factorization.

13965263253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846 (or 3843 counting only the distinct ones).

The product of its digits is 874800, while the sum is 45.

The spelling of 13965263253 in words is "thirteen billion, nine hundred sixty-five million, two hundred sixty-three thousand, two hundred fifty-three".