16309315399 has 12 divisors (see below), whose sum is σ = 18536951496. Its totient is φ = 14262393168.

The previous prime is 16309315331. The next prime is 16309315411. The reversal of 16309315399 is 99351390361.

It is not a de Polignac number, because 16309315399 - 2⁷ = 16309315271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309345399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732929 + ... + 1742314.

It is an arithmetic number, because the mean of its divisors is an integer number (1544745958).

Almost surely, 2^16309315399 is an apocalyptic number.

16309315399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16309315399 is a deficient number, since it is larger than the sum of its proper divisors (2227636097).

16309315399 is a wasteful number, since it uses less digits than its factorization.

16309315399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475294 (or 3475275 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 49.

The spelling of 16309315399 in words is "sixteen billion, three hundred nine million, three hundred fifteen thousand, three hundred ninety-nine".