10247985394415 has 4 divisors (see below), whose sum is σ = 12297582473304. Its totient is φ = 8198388315528.

The previous prime is 10247985394363. The next prime is 10247985394457. The reversal of 10247985394415 is 51449358974201.

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

It is a cyclic number.

It is not a de Polignac number, because 10247985394415 - 2²² = 10247981200111 is a prime.

It is a super-2 number, since 2×10247985394415² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1024798539437 + ... + 1024798539446.

It is an arithmetic number, because the mean of its divisors is an integer number (3074395618326).

Almost surely, 2^{10247985394415} is an apocalyptic number.

10247985394415 is a deficient number, since it is larger than the sum of its proper divisors (2049597078889).

10247985394415 is an equidigital number, since it uses as much as digits as its factorization.

10247985394415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049597078888.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 10247985394415 in words is "ten trillion, two hundred forty-seven billion, nine hundred eighty-five million, three hundred ninety-four thousand, four hundred fifteen".