7492839481 has 4 divisors (see below), whose sum is σ = 7493199952. Its totient is φ = 7492479012.

The previous prime is 7492839479. The next prime is 7492839511. The reversal of 7492839481 is 1849382947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7492839481 - 2¹ = 7492839479 is a prime.

It is a super-2 number, since 2×7492839481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7492839181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147015 + ... + 191308.

It is an arithmetic number, because the mean of its divisors is an integer number (1873299988).

Almost surely, 2^7492839481 is an apocalyptic number.

It is an amenable number.

7492839481 is a deficient number, since it is larger than the sum of its proper divisors (360471).

7492839481 is a wasteful number, since it uses less digits than its factorization.

7492839481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360470.

The product of its digits is 3483648, while the sum is 55.

The square root of 7492839481 is about 86561.1892305091. The cubic root of 7492839481 is about 1956.8106781385.

The spelling of 7492839481 in words is "seven billion, four hundred ninety-two million, eight hundred thirty-nine thousand, four hundred eighty-one".