63801008701 has 4 divisors (see below), whose sum is σ = 65004801372. Its totient is φ = 62597216032.

The previous prime is 63801008681. The next prime is 63801008729. The reversal of 63801008701 is 10780010836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18888379225 + 44912629476 = 137435^2 + 211926^2 .

It is a cyclic number.

It is not a de Polignac number, because 63801008701 - 2⁷ = 63801008573 is a prime.

It is a super-2 number, since 2×63801008701² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63801008771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601896256 + ... + 601896361.

It is an arithmetic number, because the mean of its divisors is an integer number (16251200343).

Almost surely, 2^63801008701 is an apocalyptic number.

It is an amenable number.

63801008701 is a deficient number, since it is larger than the sum of its proper divisors (1203792671).

63801008701 is a wasteful number, since it uses less digits than its factorization.

63801008701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203792670.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 63801008701 in words is "sixty-three billion, eight hundred one million, eight thousand, seven hundred one".