452649856993 has 2 divisors, whose sum is σ = 452649856994. Its totient is φ = 452649856992.

The previous prime is 452649856973. The next prime is 452649857059. The reversal of 452649856993 is 399658946254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241097694289 + 211552162704 = 491017^2 + 459948^2 .

It is a cyclic number.

It is not a de Polignac number, because 452649856993 - 2⁹ = 452649856481 is a prime.

It is not a weakly prime, because it can be changed into another prime (452649856943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226324928496 + 226324928497.

It is an arithmetic number, because the mean of its divisors is an integer number (226324928497).

Almost surely, 2^452649856993 is an apocalyptic number.

It is an amenable number.

452649856993 is a deficient number, since it is larger than the sum of its proper divisors (1).

452649856993 is an equidigital number, since it uses as much as digits as its factorization.

452649856993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 503884800, while the sum is 70.

The spelling of 452649856993 in words is "four hundred fifty-two billion, six hundred forty-nine million, eight hundred fifty-six thousand, nine hundred ninety-three".