63763256945 has 8 divisors (see below), whose sum is σ = 76526336040. Its totient is φ = 51003653760.

The previous prime is 63763256933. The next prime is 63763256959. The reversal of 63763256945 is 54965236736.

It is a happy number.

63763256945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35380105216 + 28383151729 = 188096^2 + 168473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63763256945 - 2¹⁰ = 63763255921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828446 + ... + 902135.

It is an arithmetic number, because the mean of its divisors is an integer number (9565792005).

Almost surely, 2^63763256945 is an apocalyptic number.

It is an amenable number.

63763256945 is a deficient number, since it is larger than the sum of its proper divisors (12763079095).

63763256945 is a wasteful number, since it uses less digits than its factorization.

63763256945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737955.

The product of its digits is 24494400, while the sum is 56.

The spelling of 63763256945 in words is "sixty-three billion, seven hundred sixty-three million, two hundred fifty-six thousand, nine hundred forty-five".