46865402080561 has 9 divisors (see below), whose sum is σ = 47148863825451. Its totient is φ = 46583634522432.

The previous prime is 46865402080547. The next prime is 46865402080589. The reversal of 46865402080561 is 16508020456864.

The square root of 46865402080561 is 6845831.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6661483570225 + 40203918510336 = 2580985^2 + 6340656^2 .

It is not a de Polignac number, because 46865402080561 - 2¹⁷ = 46865401949489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46865402080261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1143233281 + ... + 1143274273.

Almost surely, 2^{46865402080561} is an apocalyptic number.

46865402080561 is the 6845831-st square number.

46865402080561 is the 3422916-th centered octagonal number.

It is an amenable number.

46865402080561 is a deficient number, since it is larger than the sum of its proper divisors (283461744890).

46865402080561 is an frugal number, since it uses more digits than its factorization.

46865402080561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82320 (or 41160 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 46865402080561 in words is "forty-six trillion, eight hundred sixty-five billion, four hundred two million, eighty thousand, five hundred sixty-one".