16429281713 has 4 divisors (see below), whose sum is σ = 17693072628. Its totient is φ = 15165490800.

The previous prime is 16429281697. The next prime is 16429281727. The reversal of 16429281713 is 31718292461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4109835664 + 12319446049 = 64108^2 + 110993^2 .

It is a cyclic number.

It is not a de Polignac number, because 16429281713 - 2⁴ = 16429281697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16429281773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631895438 + ... + 631895463.

It is an arithmetic number, because the mean of its divisors is an integer number (4423268157).

Almost surely, 2^16429281713 is an apocalyptic number.

16429281713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16429281713 is a deficient number, since it is larger than the sum of its proper divisors (1263790915).

16429281713 is a wasteful number, since it uses less digits than its factorization.

16429281713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263790914.

The product of its digits is 145152, while the sum is 44.

The spelling of 16429281713 in words is "sixteen billion, four hundred twenty-nine million, two hundred eighty-one thousand, seven hundred thirteen".