392492091269 has 2 divisors, whose sum is σ = 392492091270. Its totient is φ = 392492091268.

The previous prime is 392492091223. The next prime is 392492091281. The reversal of 392492091269 is 962190294293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294156539044 + 98335552225 = 542362^2 + 313585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392492091269 is a prime.

It is a super-2 number, since 2×392492091269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392492099269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196246045634 + 196246045635.

It is an arithmetic number, because the mean of its divisors is an integer number (196246045635).

Almost surely, 2^392492091269 is an apocalyptic number.

It is an amenable number.

392492091269 is a deficient number, since it is larger than the sum of its proper divisors (1).

392492091269 is an equidigital number, since it uses as much as digits as its factorization.

392492091269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 392492091269 in words is "three hundred ninety-two billion, four hundred ninety-two million, ninety-one thousand, two hundred sixty-nine".