1492239641 has 2 divisors, whose sum is σ = 1492239642. Its totient is φ = 1492239640.

The previous prime is 1492239607. The next prime is 1492239659. The reversal of 1492239641 is 1469322941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1492199641 + 40000 = 38629^2 + 200^2 .

It is an emirp because it is prime and its reverse (1469322941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1492239641 - 2¹⁰ = 1492238617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1492239691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746119820 + 746119821.

It is an arithmetic number, because the mean of its divisors is an integer number (746119821).

Almost surely, 2^1492239641 is an apocalyptic number.

It is an amenable number.

1492239641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492239641 is an equidigital number, since it uses as much as digits as its factorization.

1492239641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 1492239641 is about 38629.5177422654. The cubic root of 1492239641 is about 1142.7367409342.

The spelling of 1492239641 in words is "one billion, four hundred ninety-two million, two hundred thirty-nine thousand, six hundred forty-one".