63190081945 has 16 divisors (see below), whose sum is σ = 77467541760. Its totient is φ = 49470430464.

The previous prime is 63190081937. The next prime is 63190081949. The reversal of 63190081945 is 54918009136.

63190081945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 63190081945 - 2³ = 63190081937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63190081895 and 63190081904.

It is not an unprimeable number, because it can be changed into a prime (63190081949) 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, 663219 + ... + 752488.

It is an arithmetic number, because the mean of its divisors is an integer number (4841721360).

Almost surely, 2^63190081945 is an apocalyptic number.

It is an amenable number.

63190081945 is a deficient number, since it is larger than the sum of its proper divisors (14277459815).

63190081945 is a wasteful number, since it uses less digits than its factorization.

63190081945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415904.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 63190081945 in words is "sixty-three billion, one hundred ninety million, eighty-one thousand, nine hundred forty-five".