7442253663 has 16 divisors (see below), whose sum is σ = 10728902016. Its totient is φ = 4561596000.

The previous prime is 7442253661. The next prime is 7442253677. The reversal of 7442253663 is 3663522447.

It is not a de Polignac number, because 7442253663 - 2¹ = 7442253661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442253661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370345 + ... + 389922.

It is an arithmetic number, because the mean of its divisors is an integer number (670556376).

Almost surely, 2^7442253663 is an apocalyptic number.

7442253663 is a deficient number, since it is larger than the sum of its proper divisors (3286648353).

7442253663 is a wasteful number, since it uses less digits than its factorization.

7442253663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760534.

The product of its digits is 725760, while the sum is 42.

The square root of 7442253663 is about 86268.4975121278. The cubic root of 7442253663 is about 1952.3971101752.

The spelling of 7442253663 in words is "seven billion, four hundred forty-two million, two hundred fifty-three thousand, six hundred sixty-three".