16949289635 has 4 divisors (see below), whose sum is σ = 20339147568. Its totient is φ = 13559431704.

The previous prime is 16949289583. The next prime is 16949289653. The reversal of 16949289635 is 53698294961.

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

It is a cyclic number.

It is not a de Polignac number, because 16949289635 - 2¹⁰ = 16949288611 is a prime.

It is a super-2 number, since 2×16949289635² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694928959 + ... + 1694928968.

It is an arithmetic number, because the mean of its divisors is an integer number (5084786892).

Almost surely, 2^16949289635 is an apocalyptic number.

16949289635 is a deficient number, since it is larger than the sum of its proper divisors (3389857933).

16949289635 is an equidigital number, since it uses as much as digits as its factorization.

16949289635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389857932.

The product of its digits is 25194240, while the sum is 62.

The spelling of 16949289635 in words is "sixteen billion, nine hundred forty-nine million, two hundred eighty-nine thousand, six hundred thirty-five".