451989529206 has 16 divisors (see below), whose sum is σ = 903994316784. Its totient is φ = 150660633344.

The previous prime is 451989529181. The next prime is 451989529207. The reversal of 451989529206 is 602925989154.

It is a self number, because there is not a number n which added to its sum of digits gives 451989529206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451989529207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230835 + ... + 978398.

It is an arithmetic number, because the mean of its divisors is an integer number (56499644799).

Almost surely, 2^451989529206 is an apocalyptic number.

451989529206 is an abundant number, since it is smaller than the sum of its proper divisors (452004787578).

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

451989529206 is a wasteful number, since it uses less digits than its factorization.

451989529206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271535.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 451989529206 in words is "four hundred fifty-one billion, nine hundred eighty-nine million, five hundred twenty-nine thousand, two hundred six".