453212507218418 has 8 divisors (see below), whose sum is σ = 679818851527260. Its totient is φ = 226606223376000.

The previous prime is 453212507218409. The next prime is 453212507218447. The reversal of 453212507218418 is 814812705212354.

It can be written as a sum of positive squares in 2 ways, for example, as 371284610950009 + 81927896268409 = 19268747^2 + 9051403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 453212507218418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19223918 + ... + 35720918.

Almost surely, 2^{453212507218418} is an apocalyptic number.

453212507218418 is a deficient number, since it is larger than the sum of its proper divisors (226606344308842).

453212507218418 is a wasteful number, since it uses less digits than its factorization.

453212507218418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233212.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 453212507218418 in words is "four hundred fifty-three trillion, two hundred twelve billion, five hundred seven million, two hundred eighteen thousand, four hundred eighteen".