16976294393 has 2 divisors, whose sum is σ = 16976294394. Its totient is φ = 16976294392.

The previous prime is 16976294381. The next prime is 16976294407. The reversal of 16976294393 is 39349267961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9667412329 + 7308882064 = 98323^2 + 85492^2 .

It is a cyclic number.

It is not a de Polignac number, because 16976294393 - 2⁶ = 16976294329 is a prime.

It is not a weakly prime, because it can be changed into another prime (16076294393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8488147196 + 8488147197.

It is an arithmetic number, because the mean of its divisors is an integer number (8488147197).

Almost surely, 2^16976294393 is an apocalyptic number.

It is an amenable number.

16976294393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16976294393 is an equidigital number, since it uses as much as digits as its factorization.

16976294393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 59.

The spelling of 16976294393 in words is "sixteen billion, nine hundred seventy-six million, two hundred ninety-four thousand, three hundred ninety-three".