7890496449 has 16 divisors (see below), whose sum is σ = 11976090624. Its totient is φ = 4574200400.

The previous prime is 7890496447. The next prime is 7890496451. The reversal of 7890496449 is 9446940987.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7890496447) and next prime (7890496451).

It is not a de Polignac number, because 7890496449 - 2¹ = 7890496447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7890496392 and 7890496401.

It is not an unprimeable number, because it can be changed into a prime (7890496447) 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 15 ways as a sum of consecutive naturals, for example, 5197197 + ... + 5198714.

It is an arithmetic number, because the mean of its divisors is an integer number (748505664).

Almost surely, 2^7890496449 is an apocalyptic number.

It is an amenable number.

7890496449 is a deficient number, since it is larger than the sum of its proper divisors (4085594175).

7890496449 is a wasteful number, since it uses less digits than its factorization.

7890496449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395948.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The square root of 7890496449 is about 88828.4664339084. The cubic root of 7890496449 is about 1990.8327490384.

The spelling of 7890496449 in words is "seven billion, eight hundred ninety million, four hundred ninety-six thousand, four hundred forty-nine".