455991198729 has 16 divisors (see below), whose sum is σ = 673159330560. Its totient is φ = 272233550160.

The previous prime is 455991198727. The next prime is 455991198749. The reversal of 455991198729 is 927891199554.

It is not a de Polignac number, because 455991198729 - 2¹ = 455991198727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455991198727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103116559 + ... + 103120980.

It is an arithmetic number, because the mean of its divisors is an integer number (42072458160).

Almost surely, 2^455991198729 is an apocalyptic number.

It is an amenable number.

455991198729 is a deficient number, since it is larger than the sum of its proper divisors (217168131831).

455991198729 is a wasteful number, since it uses less digits than its factorization.

455991198729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206237620.

The product of its digits is 73483200, while the sum is 69.

The spelling of 455991198729 in words is "four hundred fifty-five billion, nine hundred ninety-one million, one hundred ninety-eight thousand, seven hundred twenty-nine".