63673621744 has 10 divisors (see below), whose sum is σ = 123367642160. Its totient is φ = 31836810864.

The previous prime is 63673621733. The next prime is 63673621763. The reversal of 63673621744 is 44712637636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989800664 + ... + 1989800695.

It is an arithmetic number, because the mean of its divisors is an integer number (12336764216).

Almost surely, 2^63673621744 is an apocalyptic number.

It is an amenable number.

63673621744 is a deficient number, since it is larger than the sum of its proper divisors (59694020416).

63673621744 is a wasteful number, since it uses less digits than its factorization.

63673621744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979601367 (or 3979601361 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 49.

The spelling of 63673621744 in words is "sixty-three billion, six hundred seventy-three million, six hundred twenty-one thousand, seven hundred forty-four".