451451145213 has 6 divisors (see below), whose sum is σ = 652096098654. Its totient is φ = 300967430136.

The previous prime is 451451145139. The next prime is 451451145227. The reversal of 451451145213 is 312541154154.

451451145213 is a `hidden beast` number, since 4 + 5 + 14 + 5 + 114 + 521 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 372457545849 + 78993599364 = 610293^2 + 281058^2 .

It is not a de Polignac number, because 451451145213 - 2⁸ = 451451144957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451451145283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25080619170 + ... + 25080619187.

It is an arithmetic number, because the mean of its divisors is an integer number (108682683109).

Almost surely, 2^451451145213 is an apocalyptic number.

It is an amenable number.

451451145213 is a deficient number, since it is larger than the sum of its proper divisors (200644953441).

451451145213 is a wasteful number, since it uses less digits than its factorization.

451451145213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50161238363 (or 50161238360 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 451451145213 its reverse (312541154154), we get a palindrome (763992299367).

The spelling of 451451145213 in words is "four hundred fifty-one billion, four hundred fifty-one million, one hundred forty-five thousand, two hundred thirteen".