63970936997 has 8 divisors (see below), whose sum is σ = 70570595520. Its totient is φ = 57501964960.

The previous prime is 63970936979. The next prime is 63970937021. The reversal of 63970936997 is 79963907936.

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

It is not a de Polignac number, because 63970936997 - 2¹⁸ = 63970674853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63970936927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32670593 + ... + 32672550.

It is an arithmetic number, because the mean of its divisors is an integer number (8821324440).

Almost surely, 2^63970936997 is an apocalyptic number.

It is an amenable number.

63970936997 is a deficient number, since it is larger than the sum of its proper divisors (6599658523).

63970936997 is a wasteful number, since it uses less digits than its factorization.

63970936997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65343243.

The product of its (nonzero) digits is 104162436, while the sum is 68.

The spelling of 63970936997 in words is "sixty-three billion, nine hundred seventy million, nine hundred thirty-six thousand, nine hundred ninety-seven".