16149868734479 has 2 divisors, whose sum is σ = 16149868734480. Its totient is φ = 16149868734478.

The previous prime is 16149868734413. The next prime is 16149868734499. The reversal of 16149868734479 is 97443786894161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16149868734479 - 2⁴⁰ = 15050357106703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16149868734409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8074934367239 + 8074934367240.

It is an arithmetic number, because the mean of its divisors is an integer number (8074934367240).

Almost surely, 2^{16149868734479} is an apocalyptic number.

16149868734479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16149868734479 is an equidigital number, since it uses as much as digits as its factorization.

16149868734479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1755758592, while the sum is 77.

The spelling of 16149868734479 in words is "sixteen trillion, one hundred forty-nine billion, eight hundred sixty-eight million, seven hundred thirty-four thousand, four hundred seventy-nine".