491592029 has 2 divisors, whose sum is σ = 491592030. Its totient is φ = 491592028.

The previous prime is 491591939. The next prime is 491592053. The reversal of 491592029 is 920295194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487084900 + 4507129 = 22070^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 491592029 - 2¹² = 491587933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491592089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245796014 + 245796015.

It is an arithmetic number, because the mean of its divisors is an integer number (245796015).

Almost surely, 2^491592029 is an apocalyptic number.

It is an amenable number.

491592029 is a deficient number, since it is larger than the sum of its proper divisors (1).

491592029 is an equidigital number, since it uses as much as digits as its factorization.

491592029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 491592029 is about 22171.8747290345. The cubic root of 491592029 is about 789.2264119873.

The spelling of 491592029 in words is "four hundred ninety-one million, five hundred ninety-two thousand, twenty-nine".