16280699794 has 4 divisors (see below), whose sum is σ = 24421049694. Its totient is φ = 8140349896.

The previous prime is 16280699767. The next prime is 16280699807. The reversal of 16280699794 is 49799608261.

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

It can be written as a sum of positive squares in only one way, i.e., 15668780625 + 611919169 = 125175^2 + 24737^2 .

It is a super-2 number, since 2×16280699794² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070174947 + ... + 4070174950.

Almost surely, 2^16280699794 is an apocalyptic number.

16280699794 is a deficient number, since it is larger than the sum of its proper divisors (8140349900).

16280699794 is an equidigital number, since it uses as much as digits as its factorization.

16280699794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140349899.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 16280699794 in words is "sixteen billion, two hundred eighty million, six hundred ninety-nine thousand, seven hundred ninety-four".