1573376489 has 2 divisors, whose sum is σ = 1573376490. Its totient is φ = 1573376488.

The previous prime is 1573376473. The next prime is 1573376507. The reversal of 1573376489 is 9846733751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802758889 + 770617600 = 28333^2 + 27760^2 .

It is an emirp because it is prime and its reverse (9846733751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1573376489 - 2⁴ = 1573376473 is a prime.

It is a super-2 number, since 2×1573376489² = 4951027152275934242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1573376489.

It is not a weakly prime, because it can be changed into another prime (1573376429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786688244 + 786688245.

It is an arithmetic number, because the mean of its divisors is an integer number (786688245).

Almost surely, 2^1573376489 is an apocalyptic number.

It is an amenable number.

1573376489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1573376489 is an equidigital number, since it uses as much as digits as its factorization.

1573376489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 53.

The square root of 1573376489 is about 39665.8100761853. The cubic root of 1573376489 is about 1163.0834751469.

The spelling of 1573376489 in words is "one billion, five hundred seventy-three million, three hundred seventy-six thousand, four hundred eighty-nine".