14897769479 has 4 divisors (see below), whose sum is σ = 15378342720. Its totient is φ = 14417196240.

The previous prime is 14897769457. The next prime is 14897769533. The reversal of 14897769479 is 97496779841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97496779841 = 8179 ⋅11920379.

It is a cyclic number.

It is not a de Polignac number, because 14897769479 - 2¹² = 14897765383 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 (14897769079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240286574 + ... + 240286635.

It is an arithmetic number, because the mean of its divisors is an integer number (3844585680).

Almost surely, 2^14897769479 is an apocalyptic number.

14897769479 is a deficient number, since it is larger than the sum of its proper divisors (480573241).

14897769479 is an equidigital number, since it uses as much as digits as its factorization.

14897769479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480573240.

The product of its digits is 192036096, while the sum is 71.

The spelling of 14897769479 in words is "fourteen billion, eight hundred ninety-seven million, seven hundred sixty-nine thousand, four hundred seventy-nine".