1496807989 has 2 divisors, whose sum is σ = 1496807990. Its totient is φ = 1496807988.

The previous prime is 1496807933. The next prime is 1496808029. The reversal of 1496807989 is 9897086941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957407364 + 539400625 = 30942^2 + 23225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1496807989 - 2¹¹ = 1496805941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1496807489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748403994 + 748403995.

It is an arithmetic number, because the mean of its divisors is an integer number (748403995).

Almost surely, 2^1496807989 is an apocalyptic number.

It is an amenable number.

1496807989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496807989 is an equidigital number, since it uses as much as digits as its factorization.

1496807989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The square root of 1496807989 is about 38688.6028308079. The cubic root of 1496807989 is about 1143.9016791326.

The spelling of 1496807989 in words is "one billion, four hundred ninety-six million, eight hundred seven thousand, nine hundred eighty-nine".