14849973621 has 96 divisors (see below), whose sum is σ = 27692421120. Its totient is φ = 7688745504.

The previous prime is 14849973559. The next prime is 14849973641. The reversal of 14849973621 is 12637994841.

14849973621 is a `hidden beast` number, since 1 + 4 + 8 + 4 + 9 + 9 + 7 + 3 + 621 = 666.

It is not a de Polignac number, because 14849973621 - 2¹¹ = 14849971573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14849973641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1564536 + ... + 1573998.

It is an arithmetic number, because the mean of its divisors is an integer number (288462720).

Almost surely, 2^14849973621 is an apocalyptic number.

It is an amenable number.

14849973621 is a deficient number, since it is larger than the sum of its proper divisors (12842447499).

14849973621 is a wasteful number, since it uses less digits than its factorization.

14849973621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540 (or 9515 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 14849973621 in words is "fourteen billion, eight hundred forty-nine million, nine hundred seventy-three thousand, six hundred twenty-one".