1452789619 has 2 divisors, whose sum is σ = 1452789620. Its totient is φ = 1452789618.

The previous prime is 1452789589. The next prime is 1452789623. The reversal of 1452789619 is 9169872541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452789619 is a prime.

It is a super-2 number, since 2×1452789619² = 4221195354148330322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1452789659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726394809 + 726394810.

It is an arithmetic number, because the mean of its divisors is an integer number (726394810).

Almost surely, 2^1452789619 is an apocalyptic number.

1452789619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452789619 is an equidigital number, since it uses as much as digits as its factorization.

1452789619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The square root of 1452789619 is about 38115.4774205965. The cubic root of 1452789619 is about 1132.5765777852.

The spelling of 1452789619 in words is "one billion, four hundred fifty-two million, seven hundred eighty-nine thousand, six hundred nineteen".