46694455921 has 9 divisors (see below), whose sum is σ = 46922236833. Its totient is φ = 46467778560.

The previous prime is 46694455919. The next prime is 46694455931. The reversal of 46694455921 is 12955449664.

The square root of 46694455921 is 216089.

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

It can be written as a sum of positive squares in 4 ways, for example, as 228342321 + 46466113600 = 15111^2 + 215560^2 .

It is not a de Polignac number, because 46694455921 - 2¹ = 46694455919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46694455931) 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, 60720625 + ... + 60721393.

Almost surely, 2^46694455921 is an apocalyptic number.

46694455921 is the 216089-th square number.

46694455921 is the 108045-th centered octagonal number.

It is an amenable number.

46694455921 is a deficient number, since it is larger than the sum of its proper divisors (227780912).

46694455921 is an frugal number, since it uses more digits than its factorization.

46694455921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 1050 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The spelling of 46694455921 in words is "forty-six billion, six hundred ninety-four million, four hundred fifty-five thousand, nine hundred twenty-one".