992638729811 has 2 divisors, whose sum is σ = 992638729812. Its totient is φ = 992638729810.

The previous prime is 992638729781. The next prime is 992638729847. The reversal of 992638729811 is 118927836299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 992638729811 - 2¹⁴ = 992638713427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (992638729871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496319364905 + 496319364906.

It is an arithmetic number, because the mean of its divisors is an integer number (496319364906).

Almost surely, 2^992638729811 is an apocalyptic number.

992638729811 is a deficient number, since it is larger than the sum of its proper divisors (1).

992638729811 is an equidigital number, since it uses as much as digits as its factorization.

992638729811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 65.

The spelling of 992638729811 in words is "nine hundred ninety-two billion, six hundred thirty-eight million, seven hundred twenty-nine thousand, eight hundred eleven".