16862830997 has 2 divisors, whose sum is σ = 16862830998. Its totient is φ = 16862830996.

The previous prime is 16862830991. The next prime is 16862831039. The reversal of 16862830997 is 79903826861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10081967281 + 6780863716 = 100409^2 + 82346^2 .

It is a cyclic number.

It is not a de Polignac number, because 16862830997 - 2⁸ = 16862830741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16862830991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8431415498 + 8431415499.

It is an arithmetic number, because the mean of its divisors is an integer number (8431415499).

Almost surely, 2^16862830997 is an apocalyptic number.

It is an amenable number.

16862830997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16862830997 is an equidigital number, since it uses as much as digits as its factorization.

16862830997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 16862830997 in words is "sixteen billion, eight hundred sixty-two million, eight hundred thirty thousand, nine hundred ninety-seven".