13975420934 has 4 divisors (see below), whose sum is σ = 20963131404. Its totient is φ = 6987710466.

The previous prime is 13975420933. The next prime is 13975420969. The reversal of 13975420934 is 43902457931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975420933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493855232 + ... + 3493855235.

It is an arithmetic number, because the mean of its divisors is an integer number (5240782851).

Almost surely, 2^13975420934 is an apocalyptic number.

13975420934 is a deficient number, since it is larger than the sum of its proper divisors (6987710470).

13975420934 is an equidigital number, since it uses as much as digits as its factorization.

13975420934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987710469.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 13975420934 in words is "thirteen billion, nine hundred seventy-five million, four hundred twenty thousand, nine hundred thirty-four".