7849210745 has 16 divisors (see below), whose sum is σ = 9917225280. Its totient is φ = 5947416000.

The previous prime is 7849210717. The next prime is 7849210751. The reversal of 7849210745 is 5470129487.

It is a de Polignac number, because none of the positive numbers 2^k-7849210745 is a prime.

It is a super-2 number, since 2×7849210745² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7849210745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529535 + ... + 544155.

It is an arithmetic number, because the mean of its divisors is an integer number (619826580).

Almost surely, 2^7849210745 is an apocalyptic number.

It is an amenable number.

7849210745 is a deficient number, since it is larger than the sum of its proper divisors (2068014535).

7849210745 is a wasteful number, since it uses less digits than its factorization.

7849210745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20296.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 7849210745 is about 88595.7715977461. The cubic root of 7849210745 is about 1987.3544421967.

The spelling of 7849210745 in words is "seven billion, eight hundred forty-nine million, two hundred ten thousand, seven hundred forty-five".