461894924469261 has 16 divisors (see below), whose sum is σ = 617579595772928. Its totient is φ = 307070214462000.

The previous prime is 461894924469257. The next prime is 461894924469263. The reversal of 461894924469261 is 162964429498164.

It is not a de Polignac number, because 461894924469261 - 2² = 461894924469257 is a prime.

It is a super-2 number, since 2×461894924469261² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461894924469263) 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, 2226546 + ... + 30475356.

It is an arithmetic number, because the mean of its divisors is an integer number (38598724735808).

Almost surely, 2^{461894924469261} is an apocalyptic number.

It is an amenable number.

461894924469261 is a deficient number, since it is larger than the sum of its proper divisors (155684671303667).

461894924469261 is a wasteful number, since it uses less digits than its factorization.

461894924469261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28264032.

The product of its digits is 1289945088, while the sum is 75.

The spelling of 461894924469261 in words is "four hundred sixty-one trillion, eight hundred ninety-four billion, nine hundred twenty-four million, four hundred sixty-nine thousand, two hundred sixty-one".