461222989955 has 128 divisors (see below), whose sum is σ = 742644080640. Its totient is φ = 266658324480.

The previous prime is 461222989943. The next prime is 461222989987. The reversal of 461222989955 is 559989222164.

It is a Cunningham number, because it is equal to 679134²-1.

It is a de Polignac number, because none of the positive numbers 2^k-461222989955 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 125637770 + ... + 125641440.

It is an arithmetic number, because the mean of its divisors is an integer number (5801906880).

Almost surely, 2^461222989955 is an apocalyptic number.

461222989955 is a deficient number, since it is larger than the sum of its proper divisors (281421090685).

461222989955 is a wasteful number, since it uses less digits than its factorization.

461222989955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189.

The product of its digits is 27993600, while the sum is 62.

The spelling of 461222989955 in words is "four hundred sixty-one billion, two hundred twenty-two million, nine hundred eighty-nine thousand, nine hundred fifty-five".