1452657919 has 2 divisors, whose sum is σ = 1452657920. Its totient is φ = 1452657918.

The previous prime is 1452657907. The next prime is 1452657929. The reversal of 1452657919 is 9197562541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1452657919 - 2¹⁵ = 1452625151 is a prime.

It is a super-2 number, since 2×1452657919² = 4220430059266821122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452657929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726328959 + 726328960.

It is an arithmetic number, because the mean of its divisors is an integer number (726328960).

Almost surely, 2^1452657919 is an apocalyptic number.

1452657919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452657919 is an equidigital number, since it uses as much as digits as its factorization.

1452657919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 49.

The square root of 1452657919 is about 38113.7497368076. The cubic root of 1452657919 is about 1132.5423528612.

The spelling of 1452657919 in words is "one billion, four hundred fifty-two million, six hundred fifty-seven thousand, nine hundred nineteen".