451152019 has 2 divisors, whose sum is σ = 451152020. Its totient is φ = 451152018.

The previous prime is 451152011. The next prime is 451152029. The reversal of 451152019 is 910251154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451152019 - 2³ = 451152011 is a prime.

It is a super-2 number, since 2×451152019² = 407076288495552722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451152011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225576009 + 225576010.

It is an arithmetic number, because the mean of its divisors is an integer number (225576010).

Almost surely, 2^451152019 is an apocalyptic number.

451152019 is a deficient number, since it is larger than the sum of its proper divisors (1).

451152019 is an equidigital number, since it uses as much as digits as its factorization.

451152019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 451152019 is about 21240.3394276080. The cubic root of 451152019 is about 766.9628033254.

The spelling of 451152019 in words is "four hundred fifty-one million, one hundred fifty-two thousand, nineteen".