455132726781 has 4 divisors (see below), whose sum is σ = 606843635712. Its totient is φ = 303421817852.

The previous prime is 455132726747. The next prime is 455132726813. The reversal of 455132726781 is 187627231554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 455132726781 - 2¹⁰ = 455132725757 is a prime.

It is a super-2 number, since 2×455132726781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455132727781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75855454461 + ... + 75855454466.

It is an arithmetic number, because the mean of its divisors is an integer number (151710908928).

Almost surely, 2^455132726781 is an apocalyptic number.

It is an amenable number.

455132726781 is a deficient number, since it is larger than the sum of its proper divisors (151710908931).

455132726781 is a wasteful number, since it uses less digits than its factorization.

455132726781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151710908930.

The product of its digits is 2822400, while the sum is 51.

The spelling of 455132726781 in words is "four hundred fifty-five billion, one hundred thirty-two million, seven hundred twenty-six thousand, seven hundred eighty-one".