246961680405 has 16 divisors (see below), whose sum is σ = 431060387904. Its totient is φ = 119738996480.

The previous prime is 246961680353. The next prime is 246961680421. The reversal of 246961680405 is 504086169642.

It is not a de Polignac number, because 246961680405 - 2¹² = 246961676309 is a prime.

It is a super-2 number, since 2×246961680405² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748368564 + ... + 748368893.

It is an arithmetic number, because the mean of its divisors is an integer number (26941274244).

Almost surely, 2^246961680405 is an apocalyptic number.

It is an amenable number.

246961680405 is a deficient number, since it is larger than the sum of its proper divisors (184098707499).

246961680405 is a wasteful number, since it uses less digits than its factorization.

246961680405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496737476.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 246961680405 in words is "two hundred forty-six billion, nine hundred sixty-one million, six hundred eighty thousand, four hundred five".