1492279879 has 2 divisors, whose sum is σ = 1492279880. Its totient is φ = 1492279878.

The previous prime is 1492279871. The next prime is 1492279903. The reversal of 1492279879 is 9789722941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1492279879 - 2³ = 1492279871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492279871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746139939 + 746139940.

It is an arithmetic number, because the mean of its divisors is an integer number (746139940).

Almost surely, 2^1492279879 is an apocalyptic number.

1492279879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492279879 is an equidigital number, since it uses as much as digits as its factorization.

1492279879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 58.

The square root of 1492279879 is about 38630.0385580962. The cubic root of 1492279879 is about 1142.7470120789.

The spelling of 1492279879 in words is "one billion, four hundred ninety-two million, two hundred seventy-nine thousand, eight hundred seventy-nine".