246920541921 has 27 divisors (see below), whose sum is σ = 361775170809. Its totient is φ = 162287157312.

The previous prime is 246920541913. The next prime is 246920541949. The reversal of 246920541921 is 129145029642.

The square root of 246920541921 is 496911.

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

246920541921 is a `hidden beast` number, since 2 + 4 + 6 + 9 + 205 + 419 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 58706867025 + 188213674896 = 242295^2 + 433836^2 .

It is not a de Polignac number, because 246920541921 - 2³ = 246920541913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (246920541911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 108822375 + ... + 108824643.

Almost surely, 2^246920541921 is an apocalyptic number.

246920541921 is the 496911-st square number.

246920541921 is the 248456-th centered octagonal number.

It is an amenable number.

246920541921 is a deficient number, since it is larger than the sum of its proper divisors (114854628888).

246920541921 is an frugal number, since it uses more digits than its factorization.

246920541921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 246920541921 in words is "two hundred forty-six billion, nine hundred twenty million, five hundred forty-one thousand, nine hundred twenty-one".