7492821519 has 32 divisors (see below), whose sum is σ = 10791449856. Its totient is φ = 4607285760.

The previous prime is 7492821499. The next prime is 7492821521. The reversal of 7492821519 is 9151282947.

It is a happy number.

It is not a de Polignac number, because 7492821519 - 2¹³ = 7492813327 is a prime.

It is a super-2 number, since 2×7492821519² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492821529) 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 31 ways as a sum of consecutive naturals, for example, 667584 + ... + 678714.

It is an arithmetic number, because the mean of its divisors is an integer number (337232808).

Almost surely, 2^7492821519 is an apocalyptic number.

7492821519 is a deficient number, since it is larger than the sum of its proper divisors (3298628337).

7492821519 is a wasteful number, since it uses less digits than its factorization.

7492821519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415.

The product of its digits is 362880, while the sum is 48.

The square root of 7492821519 is about 86561.0854772513. The cubic root of 7492821519 is about 1956.8091145007.

The spelling of 7492821519 in words is "seven billion, four hundred ninety-two million, eight hundred twenty-one thousand, five hundred nineteen".