63703339397 has 4 divisors (see below), whose sum is σ = 63773267136. Its totient is φ = 63633411660.

The previous prime is 63703339393. The next prime is 63703339409. The reversal of 63703339397 is 79393330736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63703339397 - 2² = 63703339393 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 (63703339393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34962503 + ... + 34964324.

It is an arithmetic number, because the mean of its divisors is an integer number (15943316784).

Almost surely, 2^63703339397 is an apocalyptic number.

It is an amenable number.

63703339397 is a deficient number, since it is larger than the sum of its proper divisors (69927739).

63703339397 is an equidigital number, since it uses as much as digits as its factorization.

63703339397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69927738.

The product of its (nonzero) digits is 5786802, while the sum is 53.

The spelling of 63703339397 in words is "sixty-three billion, seven hundred three million, three hundred thirty-nine thousand, three hundred ninety-seven".