63397758441 has 8 divisors (see below), whose sum is σ = 84531582720. Its totient is φ = 42264553232.

The previous prime is 63397758433. The next prime is 63397758449. The reversal of 63397758441 is 14485779336.

63397758441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63397758433) and next prime (63397758449).

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

It is a cyclic number.

It is not a de Polignac number, because 63397758441 - 2³ = 63397758433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63397758449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201055 + ... + 408923.

It is an arithmetic number, because the mean of its divisors is an integer number (10566447840).

Almost surely, 2^63397758441 is an apocalyptic number.

It is an amenable number.

63397758441 is a deficient number, since it is larger than the sum of its proper divisors (21133824279).

63397758441 is a wasteful number, since it uses less digits than its factorization.

63397758441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309535.

The product of its digits is 15240960, while the sum is 57.

The spelling of 63397758441 in words is "sixty-three billion, three hundred ninety-seven million, seven hundred fifty-eight thousand, four hundred forty-one".