63547243045 has 16 divisors (see below), whose sum is σ = 89588282112. Its totient is φ = 42661085760.

The previous prime is 63547243043. The next prime is 63547243051. The reversal of 63547243045 is 54034274536.

It is not a de Polignac number, because 63547243045 - 2¹ = 63547243043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63547242992 and 63547243010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63547243043) 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, 44437917 + ... + 44439346.

It is an arithmetic number, because the mean of its divisors is an integer number (5599267632).

Almost surely, 2^63547243045 is an apocalyptic number.

63547243045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63547243045 is a deficient number, since it is larger than the sum of its proper divisors (26041039067).

63547243045 is a wasteful number, since it uses less digits than its factorization.

63547243045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88877292.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 63547243045 in words is "sixty-three billion, five hundred forty-seven million, two hundred forty-three thousand, forty-five".