461350643065 has 16 divisors (see below), whose sum is σ = 596706839568. Its totient is φ = 340404074496.

The previous prime is 461350643059. The next prime is 461350643119. The reversal of 461350643065 is 560346053164.

It can be written as a sum of positive squares in 8 ways, for example, as 23736640489 + 437614002576 = 154067^2 + 661524^2 .

It is a cyclic number.

It is not a de Polignac number, because 461350643065 - 2⁹ = 461350642553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897184 + ... + 3052273.

It is an arithmetic number, because the mean of its divisors is an integer number (37294177473).

Almost surely, 2^461350643065 is an apocalyptic number.

It is an amenable number.

461350643065 is a deficient number, since it is larger than the sum of its proper divisors (135356196503).

461350643065 is a wasteful number, since it uses less digits than its factorization.

461350643065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950668.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 461350643065 in words is "four hundred sixty-one billion, three hundred fifty million, six hundred forty-three thousand, sixty-five".