893740245813 has 12 divisors (see below), whose sum is σ = 1290983648448. Its totient is φ = 595815054120.

The previous prime is 893740245809. The next prime is 893740245869. The reversal of 893740245813 is 318542047398.

It is a happy number.

893740245813 is a `hidden beast` number, since 8 + 9 + 37 + 4 + 0 + 24 + 581 + 3 = 666.

It is not a de Polignac number, because 893740245813 - 2² = 893740245809 is a prime.

It is a super-4 number, since 4×893740245813⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 893740245813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893740245313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487645 + ... + 1423122.

It is an arithmetic number, because the mean of its divisors is an integer number (107581970704).

Almost surely, 2^893740245813 is an apocalyptic number.

It is an amenable number.

893740245813 is a deficient number, since it is larger than the sum of its proper divisors (397243402635).

893740245813 is a wasteful number, since it uses less digits than its factorization.

893740245813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962744 (or 1962741 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 893740245813 in words is "eight hundred ninety-three billion, seven hundred forty million, two hundred forty-five thousand, eight hundred thirteen".