992142950389 has 2 divisors, whose sum is σ = 992142950390. Its totient is φ = 992142950388.

The previous prime is 992142950347. The next prime is 992142950423. The reversal of 992142950389 is 983059241299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978829252164 + 13313698225 = 989358^2 + 115385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992142950389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992142950329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496071475194 + 496071475195.

It is an arithmetic number, because the mean of its divisors is an integer number (496071475195).

Almost surely, 2^992142950389 is an apocalyptic number.

It is an amenable number.

992142950389 is a deficient number, since it is larger than the sum of its proper divisors (1).

992142950389 is an equidigital number, since it uses as much as digits as its factorization.

992142950389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 992142950389 in words is "nine hundred ninety-two billion, one hundred forty-two million, nine hundred fifty thousand, three hundred eighty-nine".