451887423073 has 2 divisors, whose sum is σ = 451887423074. Its totient is φ = 451887423072.

The previous prime is 451887423041. The next prime is 451887423121. The reversal of 451887423073 is 370324788154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433922577984 + 17964845089 = 658728^2 + 134033^2 .

It is a cyclic number.

It is not a de Polignac number, because 451887423073 - 2⁵ = 451887423041 is a prime.

It is a super-3 number, since 3×451887423073³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451887423073.

It is not a weakly prime, because it can be changed into another prime (451887423973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225943711536 + 225943711537.

It is an arithmetic number, because the mean of its divisors is an integer number (225943711537).

Almost surely, 2^451887423073 is an apocalyptic number.

It is an amenable number.

451887423073 is a deficient number, since it is larger than the sum of its proper divisors (1).

451887423073 is an equidigital number, since it uses as much as digits as its factorization.

451887423073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 451887423073 in words is "four hundred fifty-one billion, eight hundred eighty-seven million, four hundred twenty-three thousand, seventy-three".