14993580477 has 4 divisors (see below), whose sum is σ = 19991440640. Its totient is φ = 9995720316.

The previous prime is 14993580439. The next prime is 14993580487. The reversal of 14993580477 is 77408539941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14993580477 - 2¹⁰ = 14993579453 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 (14993580487) 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, 2498930077 + ... + 2498930082.

It is an arithmetic number, because the mean of its divisors is an integer number (4997860160).

Almost surely, 2^14993580477 is an apocalyptic number.

It is an amenable number.

14993580477 is a deficient number, since it is larger than the sum of its proper divisors (4997860163).

14993580477 is an equidigital number, since it uses as much as digits as its factorization.

14993580477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997860162.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 14993580477 in words is "fourteen billion, nine hundred ninety-three million, five hundred eighty thousand, four hundred seventy-seven".