246749634121 has 9 divisors (see below), whose sum is σ = 247688544999. Its totient is φ = 245814274584.

The previous prime is 246749634113. The next prime is 246749634139. The reversal of 246749634121 is 121436947642.

The square root of 246749634121 is 496739.

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., 13812125625 + 232937508496 = 117525^2 + 482636^2 .

It is not a de Polignac number, because 246749634121 - 2³ = 246749634113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246749634101) 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, 157465480 + ... + 157467046.

Almost surely, 2^246749634121 is an apocalyptic number.

246749634121 is the 496739-th square number.

246749634121 is the 248370-th centered octagonal number.

It is an amenable number.

246749634121 is a deficient number, since it is larger than the sum of its proper divisors (938910878).

246749634121 is an frugal number, since it uses more digits than its factorization.

246749634121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 1884 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

Multiplying 246749634121 by its sum of digits (49), we get a square (12090732071929 = 3477173²).

The spelling of 246749634121 in words is "two hundred forty-six billion, seven hundred forty-nine million, six hundred thirty-four thousand, one hundred twenty-one".