63969793 has 8 divisors (see below), whose sum is σ = 68688000. Its totient is φ = 59357760.

The previous prime is 63969769. The next prime is 63969817. The reversal of 63969793 is 39796936.

It is an interprime number because it is at equal distance from previous prime (63969769) and next prime (63969817).

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 63969793 - 2⁵ = 63969761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63969793.

It is not an unprimeable number, because it can be changed into a prime (63969733) 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, 25293 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (8586000).

Almost surely, 2^63969793 is an apocalyptic number.

It is an amenable number.

63969793 is a deficient number, since it is larger than the sum of its proper divisors (4718207).

63969793 is a wasteful number, since it uses less digits than its factorization.

63969793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087.

The product of its digits is 1653372, while the sum is 52.

The square root of 63969793 is about 7998.1118396782. Note that the first 3 decimals coincide. The cubic root of 63969793 is about 399.9370588465.

It can be divided in two parts, 6396 and 9793, that multiplied together give a triangular number (62636028 = T₁₁₁₉₂).

The spelling of 63969793 in words is "sixty-three million, nine hundred sixty-nine thousand, seven hundred ninety-three".