461466360621251 has 4 divisors (see below), whose sum is σ = 464563450290000. Its totient is φ = 458369270952504.

The previous prime is 461466360621221. The next prime is 461466360621263. The reversal of 461466360621251 is 152126063664164.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 461466360621251 - 2²⁶ = 461466293512387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461466360621193 and 461466360621202.

It is not an unprimeable number, because it can be changed into a prime (461466360621221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548544834151 + ... + 1548544834448.

It is an arithmetic number, because the mean of its divisors is an integer number (116140862572500).

Almost surely, 2^{461466360621251} is an apocalyptic number.

461466360621251 is a deficient number, since it is larger than the sum of its proper divisors (3097089668749).

461466360621251 is a wasteful number, since it uses less digits than its factorization.

461466360621251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097089668748.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 461466360621251 in words is "four hundred sixty-one trillion, four hundred sixty-six billion, three hundred sixty million, six hundred twenty-one thousand, two hundred fifty-one".