63910701946 has 24 divisors (see below), whose sum is σ = 118637283744. Its totient is φ = 25283353680.

The previous prime is 63910701937. The next prime is 63910701947. The reversal of 63910701946 is 64910701936.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63910701896 and 63910701905.

It is not an unprimeable number, because it can be changed into a prime (63910701947) 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, 13503700 + ... + 13508431.

It is an arithmetic number, because the mean of its divisors is an integer number (4943220156).

Almost surely, 2^63910701946 is an apocalyptic number.

63910701946 is a deficient number, since it is larger than the sum of its proper divisors (54726581798).

63910701946 is a wasteful number, since it uses less digits than its factorization.

63910701946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27012166 (or 27012153 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 63910701946 in words is "sixty-three billion, nine hundred ten million, seven hundred one thousand, nine hundred forty-six".