461620473425247 has 4 divisors (see below), whose sum is σ = 615493964567000. Its totient is φ = 307746982283496.

The previous prime is 461620473425203. The next prime is 461620473425263. The reversal of 461620473425247 is 742524374026164.

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

It is not a de Polignac number, because 461620473425247 - 2¹⁹ = 461620472900959 is a prime.

It is a super-2 number, since 2×461620473425247² (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 (461620473425347) 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, 76936745570872 + ... + 76936745570877.

It is an arithmetic number, because the mean of its divisors is an integer number (153873491141750).

Almost surely, 2^{461620473425247} is an apocalyptic number.

461620473425247 is a deficient number, since it is larger than the sum of its proper divisors (153873491141753).

461620473425247 is a wasteful number, since it uses less digits than its factorization.

461620473425247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153873491141752.

The product of its (nonzero) digits is 54190080, while the sum is 57.

The spelling of 461620473425247 in words is "four hundred sixty-one trillion, six hundred twenty billion, four hundred seventy-three million, four hundred twenty-five thousand, two hundred forty-seven".