16935279749 has 2 divisors, whose sum is σ = 16935279750. Its totient is φ = 16935279748.

The previous prime is 16935279743. The next prime is 16935279769. The reversal of 16935279749 is 94797253961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12280629124 + 4654650625 = 110818^2 + 68225^2 .

It is a cyclic number.

It is not a de Polignac number, because 16935279749 - 2³² = 12640312453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16935279691 and 16935279700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16935279743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467639874 + 8467639875.

It is an arithmetic number, because the mean of its divisors is an integer number (8467639875).

Almost surely, 2^16935279749 is an apocalyptic number.

It is an amenable number.

16935279749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16935279749 is an equidigital number, since it uses as much as digits as its factorization.

16935279749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120, while the sum is 62.

The spelling of 16935279749 in words is "sixteen billion, nine hundred thirty-five million, two hundred seventy-nine thousand, seven hundred forty-nine".