7489748519 has 8 divisors (see below), whose sum is σ = 8183591040. Its totient is φ = 6798065400.

The previous prime is 7489748507. The next prime is 7489748527. The reversal of 7489748519 is 9158479847.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7489748519 - 2⁴ = 7489748503 is a prime.

It is a super-2 number, since 2×7489748519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489748579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532589 + ... + 546470.

It is an arithmetic number, because the mean of its divisors is an integer number (1022948880).

Almost surely, 2^7489748519 is an apocalyptic number.

7489748519 is a deficient number, since it is larger than the sum of its proper divisors (693842521).

7489748519 is a wasteful number, since it uses less digits than its factorization.

7489748519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079701.

The product of its digits is 20321280, while the sum is 62.

The square root of 7489748519 is about 86543.3331863293. Note that the first 3 decimals coincide. The cubic root of 7489748519 is about 1956.5415652360.

The spelling of 7489748519 in words is "seven billion, four hundred eighty-nine million, seven hundred forty-eight thousand, five hundred nineteen".