14715970649 has 4 divisors (see below), whose sum is σ = 15490495440. Its totient is φ = 13941445860.

The previous prime is 14715970637. The next prime is 14715970663. The reversal of 14715970649 is 94607951741.

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 a cyclic number.

It is not a de Polignac number, because 14715970649 - 2¹² = 14715966553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14715970649.

It is not an unprimeable number, because it can be changed into a prime (14715970349) 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, 387262367 + ... + 387262404.

It is an arithmetic number, because the mean of its divisors is an integer number (3872623860).

Almost surely, 2^14715970649 is an apocalyptic number.

14715970649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14715970649 is a deficient number, since it is larger than the sum of its proper divisors (774524791).

14715970649 is an equidigital number, since it uses as much as digits as its factorization.

14715970649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774524790.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 14715970649 in words is "fourteen billion, seven hundred fifteen million, nine hundred seventy thousand, six hundred forty-nine".