14021642247 has 16 divisors (see below), whose sum is σ = 19021187328. Its totient is φ = 9186315840.

The previous prime is 14021642233. The next prime is 14021642251. The reversal of 14021642247 is 74224612041.

It is not a de Polignac number, because 14021642247 - 2⁴ = 14021642231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021642447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132718 + ... + 213675.

It is an arithmetic number, because the mean of its divisors is an integer number (1188824208).

Almost surely, 2^14021642247 is an apocalyptic number.

14021642247 is a deficient number, since it is larger than the sum of its proper divisors (4999545081).

14021642247 is a wasteful number, since it uses less digits than its factorization.

14021642247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346630.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 14021642247 in words is "fourteen billion, twenty-one million, six hundred forty-two thousand, two hundred forty-seven".