992136749 has 2 divisors, whose sum is σ = 992136750. Its totient is φ = 992136748.

The previous prime is 992136713. The next prime is 992136751. The reversal of 992136749 is 947631299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595848100 + 396288649 = 24410^2 + 19907^2 .

It is a cyclic number.

It is not a de Polignac number, because 992136749 - 2²⁰ = 991088173 is a prime.

Together with 992136751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 992136697 and 992136706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992136709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496068374 + 496068375.

It is an arithmetic number, because the mean of its divisors is an integer number (496068375).

Almost surely, 2^992136749 is an apocalyptic number.

It is an amenable number.

992136749 is a deficient number, since it is larger than the sum of its proper divisors (1).

992136749 is an equidigital number, since it uses as much as digits as its factorization.

992136749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 992136749 is about 31498.2023137829. The cubic root of 992136749 is about 997.3720160838.

The spelling of 992136749 in words is "nine hundred ninety-two million, one hundred thirty-six thousand, seven hundred forty-nine".