63747484641 has 12 divisors (see below), whose sum is σ = 96083165568. Its totient is φ = 40650569784.

The previous prime is 63747484639. The next prime is 63747484643. The reversal of 63747484641 is 14648474736.

63747484641 is a `hidden beast` number, since 6 + 37 + 474 + 84 + 64 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (63747484639) and next prime (63747484643).

It is not a de Polignac number, because 63747484641 - 2¹ = 63747484639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63747484643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153979225 + ... + 153979638.

It is an arithmetic number, because the mean of its divisors is an integer number (8006930464).

Almost surely, 2^63747484641 is an apocalyptic number.

It is an amenable number.

63747484641 is a deficient number, since it is larger than the sum of its proper divisors (32335680927).

63747484641 is a wasteful number, since it uses less digits than its factorization.

63747484641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307958892 (or 307958889 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 63747484641 in words is "sixty-three billion, seven hundred forty-seven million, four hundred eighty-four thousand, six hundred forty-one".