451861269134 has 12 divisors (see below), whose sum is σ = 745010935872. Its totient is φ = 205391485860.

The previous prime is 451861269089. The next prime is 451861269217. The reversal of 451861269134 is 431962168154.

It is a super-2 number, since 2×451861269134² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 933597422 + ... + 933597905.

It is an arithmetic number, because the mean of its divisors is an integer number (62084244656).

Almost surely, 2^451861269134 is an apocalyptic number.

451861269134 is a deficient number, since it is larger than the sum of its proper divisors (293149666738).

451861269134 is a wasteful number, since it uses less digits than its factorization.

451861269134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867195351 (or 1867195340 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 451861269134 in words is "four hundred fifty-one billion, eight hundred sixty-one million, two hundred sixty-nine thousand, one hundred thirty-four".