16487251279 has 2 divisors, whose sum is σ = 16487251280. Its totient is φ = 16487251278.

The previous prime is 16487251267. The next prime is 16487251309. The reversal of 16487251279 is 97215278461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16487251279 - 2⁵ = 16487251247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16487251579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243625639 + 8243625640.

It is an arithmetic number, because the mean of its divisors is an integer number (8243625640).

Almost surely, 2^16487251279 is an apocalyptic number.

16487251279 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487251279 is an equidigital number, since it uses as much as digits as its factorization.

16487251279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The spelling of 16487251279 in words is "sixteen billion, four hundred eighty-seven million, two hundred fifty-one thousand, two hundred seventy-nine".