13634461397 has 8 divisors (see below), whose sum is σ = 14438811456. Its totient is φ = 12830369472.

The previous prime is 13634461391. The next prime is 13634461429. The reversal of 13634461397 is 79316443631.

It is a happy number.

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

It is not a de Polignac number, because 13634461397 - 2²⁸ = 13366025941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634461391) 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, 50048 + ... + 172550.

It is an arithmetic number, because the mean of its divisors is an integer number (1804851432).

Almost surely, 2^13634461397 is an apocalyptic number.

13634461397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13634461397 is a deficient number, since it is larger than the sum of its proper divisors (804350059).

13634461397 is a wasteful number, since it uses less digits than its factorization.

13634461397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129067.

The product of its digits is 979776, while the sum is 47.

The spelling of 13634461397 in words is "thirteen billion, six hundred thirty-four million, four hundred sixty-one thousand, three hundred ninety-seven".