10243994582978 has 18 divisors (see below), whose sum is σ = 16639009854777. Its totient is φ = 4727970341640.

The previous prime is 10243994582947. The next prime is 10243994583001. The reversal of 10243994582978 is 87928549934201.

10243994582978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8758918445209 + 1485076137769 = 2959547^2 + 1218637^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2263183.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58755713 + ... + 58929803.

Almost surely, 2^{10243994582978} is an apocalyptic number.

10243994582978 is a deficient number, since it is larger than the sum of its proper divisors (6395015271799).

10243994582978 is an frugal number, since it uses more digits than its factorization.

10243994582978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348210 (or 174106 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 10243994582978 in words is "ten trillion, two hundred forty-three billion, nine hundred ninety-four million, five hundred eighty-two thousand, nine hundred seventy-eight".