7017381845 has 6 divisors (see below), whose sum is σ = 8421082998. Its totient is φ = 5613755624.

The previous prime is 7017381799. The next prime is 7017381851. The reversal of 7017381845 is 5481837107.

It can be written as a sum of positive squares in only one way, i.e., 5613905476 + 1403476369 = 74926^2 + 37463^2 .

It is not a de Polignac number, because 7017381845 - 2¹⁶ = 7017316309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7017381796 and 7017381805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168584 + ... + 206046.

It is an arithmetic number, because the mean of its divisors is an integer number (1403513833).

Almost surely, 2^7017381845 is an apocalyptic number.

It is an amenable number.

7017381845 is a deficient number, since it is larger than the sum of its proper divisors (1403701153).

7017381845 is an frugal number, since it uses more digits than its factorization.

7017381845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74931 (or 37468 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 7017381845 is about 83769.8146410746. The cubic root of 7017381845 is about 1914.5132203789.

The spelling of 7017381845 in words is "seven billion, seventeen million, three hundred eighty-one thousand, eight hundred forty-five".