7489342945 has 32 divisors (see below), whose sum is σ = 11250316800. Its totient is φ = 4666776576.

The previous prime is 7489342919. The next prime is 7489342997. The reversal of 7489342945 is 5492439847.

It is not a de Polignac number, because 7489342945 - 2¹³ = 7489334753 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 199765 + ... + 234274.

It is an arithmetic number, because the mean of its divisors is an integer number (351572400).

Almost surely, 2^7489342945 is an apocalyptic number.

It is an amenable number.

7489342945 is a deficient number, since it is larger than the sum of its proper divisors (3760973855).

7489342945 is a wasteful number, since it uses less digits than its factorization.

7489342945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434097.

The product of its digits is 8709120, while the sum is 55.

The square root of 7489342945 is about 86540.9899700714. The cubic root of 7489342945 is about 1956.5062486647.

The spelling of 7489342945 in words is "seven billion, four hundred eighty-nine million, three hundred forty-two thousand, nine hundred forty-five".