246466545664642 has 4 divisors (see below), whose sum is σ = 369699818496966. Its totient is φ = 123233272832320.

The previous prime is 246466545664631. The next prime is 246466545664649.

246466545664642 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216716055395841 + 29750490268801 = 14721279^2 + 5454401^2 .

It is a super-2 number, since 2×246466545664642² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (246466545664649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616636416159 + ... + 61616636416162.

Almost surely, 2^{246466545664642} is an apocalyptic number.

246466545664642 is a deficient number, since it is larger than the sum of its proper divisors (123233272832324).

246466545664642 is a wasteful number, since it uses less digits than its factorization.

246466545664642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123233272832323.

The product of its digits is 4777574400, while the sum is 70.

The spelling of 246466545664642 in words is "two hundred forty-six trillion, four hundred sixty-six billion, five hundred forty-five million, six hundred sixty-four thousand, six hundred forty-two".