451054180691953 has 2 divisors, whose sum is σ = 451054180691954. Its totient is φ = 451054180691952.

The previous prime is 451054180691797. The next prime is 451054180691981. The reversal of 451054180691953 is 359196081450154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363688089489664 + 87366091202289 = 19070608^2 + 9346983^2 .

It is a cyclic number.

It is not a de Polignac number, because 451054180691953 - 2³³ = 451045590757361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451054180691891 and 451054180691900.

It is not a weakly prime, because it can be changed into another prime (451054180691053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225527090345976 + 225527090345977.

It is an arithmetic number, because the mean of its divisors is an integer number (225527090345977).

Almost surely, 2^{451054180691953} is an apocalyptic number.

It is an amenable number.

451054180691953 is a deficient number, since it is larger than the sum of its proper divisors (1).

451054180691953 is an equidigital number, since it uses as much as digits as its factorization.

451054180691953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 61.

The spelling of 451054180691953 in words is "four hundred fifty-one trillion, fifty-four billion, one hundred eighty million, six hundred ninety-one thousand, nine hundred fifty-three".