7448155563 has 16 divisors (see below), whose sum is σ = 10008062496. Its totient is φ = 4926877440.

The previous prime is 7448155501. The next prime is 7448155577. The reversal of 7448155563 is 3655518447.

It is not a de Polignac number, because 7448155563 - 2⁶ = 7448155499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7448155163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745853 + ... + 1750113.

It is an arithmetic number, because the mean of its divisors is an integer number (625503906).

Almost surely, 2^7448155563 is an apocalyptic number.

7448155563 is a deficient number, since it is larger than the sum of its proper divisors (2559906933).

7448155563 is a wasteful number, since it uses less digits than its factorization.

7448155563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654.

The product of its digits is 2016000, while the sum is 48.

The square root of 7448155563 is about 86302.6973101073. The cubic root of 7448155563 is about 1952.9130743080.

The spelling of 7448155563 in words is "seven billion, four hundred forty-eight million, one hundred fifty-five thousand, five hundred sixty-three".