1497442207989 has 60 divisors (see below), whose sum is σ = 2522170802496. Its totient is φ = 789858984096.

The previous prime is 1497442207973. The next prime is 1497442207993. The reversal of 1497442207989 is 9897022447941.

It is not a de Polignac number, because 1497442207989 - 2⁴ = 1497442207973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497442107989) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 602244 + ... + 1832370.

Almost surely, 2^{1497442207989} is an apocalyptic number.

It is an amenable number.

1497442207989 is a deficient number, since it is larger than the sum of its proper divisors (1024728594507).

1497442207989 is an equidigital number, since it uses as much as digits as its factorization.

1497442207989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230184 (or 1230150 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 1497442207989 in words is "one trillion, four hundred ninety-seven billion, four hundred forty-two million, two hundred seven thousand, nine hundred eighty-nine".