451201693206 has 64 divisors (see below), whose sum is σ = 1027867470336. Its totient is φ = 130703443200.

The previous prime is 451201693171. The next prime is 451201693237. The reversal of 451201693206 is 602396102154.

It is a super-2 number, since 2×451201693206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2425636 + ... + 2605016.

It is an arithmetic number, because the mean of its divisors is an integer number (16060429224).

Almost surely, 2^451201693206 is an apocalyptic number.

451201693206 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 451201693206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513933735168).

451201693206 is an abundant number, since it is smaller than the sum of its proper divisors (576665777130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451201693206 is a wasteful number, since it uses less digits than its factorization.

451201693206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181077.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 451201693206 in words is "four hundred fifty-one billion, two hundred one million, six hundred ninety-three thousand, two hundred six".