7849449487 has 16 divisors (see below), whose sum is σ = 8665138944. Its totient is φ = 7051120000.

The previous prime is 7849449479. The next prime is 7849449511.

7849449487 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7849449487 - 2³ = 7849449479 is a prime.

It is a super-2 number, since 2×7849449487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849449427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463662 + ... + 480292.

It is an arithmetic number, because the mean of its divisors is an integer number (541571184).

Almost surely, 2^7849449487 is an apocalyptic number.

7849449487 is a deficient number, since it is larger than the sum of its proper divisors (815689457).

7849449487 is a wasteful number, since it uses less digits than its factorization.

7849449487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150.

The product of its digits is 65028096, while the sum is 64.

The square root of 7849449487 is about 88597.1189542865. The cubic root of 7849449487 is about 1987.3745911509.

The spelling of 7849449487 in words is "seven billion, eight hundred forty-nine million, four hundred forty-nine thousand, four hundred eighty-seven".