14921342215 has 8 divisors (see below), whose sum is σ = 19282965408. Its totient is φ = 11018837280.

The previous prime is 14921342213. The next prime is 14921342243. The reversal of 14921342215 is 51224312941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14921342215 - 2¹ = 14921342213 is a prime.

It is a super-2 number, since 2×14921342215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14921342213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114779491 + ... + 114779620.

It is an arithmetic number, because the mean of its divisors is an integer number (2410370676).

Almost surely, 2^14921342215 is an apocalyptic number.

14921342215 is a deficient number, since it is larger than the sum of its proper divisors (4361623193).

14921342215 is a wasteful number, since it uses less digits than its factorization.

14921342215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229559129.

The product of its digits is 17280, while the sum is 34.

The spelling of 14921342215 in words is "fourteen billion, nine hundred twenty-one million, three hundred forty-two thousand, two hundred fifteen".