1492788841 has 2 divisors, whose sum is σ = 1492788842. Its totient is φ = 1492788840.

The previous prime is 1492788839. The next prime is 1492788851. The reversal of 1492788841 is 1488872941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896403600 + 596385241 = 29940^2 + 24421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492788841 - 2¹ = 1492788839 is a prime.

Together with 1492788839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1492788811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746394420 + 746394421.

It is an arithmetic number, because the mean of its divisors is an integer number (746394421).

Almost surely, 2^1492788841 is an apocalyptic number.

It is an amenable number.

1492788841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492788841 is an equidigital number, since it uses as much as digits as its factorization.

1492788841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 52.

The square root of 1492788841 is about 38636.6256419993. The cubic root of 1492788841 is about 1142.8769136929.

The spelling of 1492788841 in words is "one billion, four hundred ninety-two million, seven hundred eighty-eight thousand, eight hundred forty-one".