14815097949 has 4 divisors (see below), whose sum is σ = 19753463936. Its totient is φ = 9876731964.

The previous prime is 14815097929. The next prime is 14815097953. The reversal of 14815097949 is 94979051841.

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 14815097949 - 2¹⁹ = 14814573661 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 (14815097909) 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, 2469182989 + ... + 2469182994.

It is an arithmetic number, because the mean of its divisors is an integer number (4938365984).

Almost surely, 2^14815097949 is an apocalyptic number.

It is an amenable number.

14815097949 is a deficient number, since it is larger than the sum of its proper divisors (4938365987).

14815097949 is an equidigital number, since it uses as much as digits as its factorization.

14815097949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938365986.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 14815097949 in words is "fourteen billion, eight hundred fifteen million, ninety-seven thousand, nine hundred forty-nine".