63781254101 has 8 divisors (see below), whose sum is σ = 64480078080. Its totient is φ = 63084788032.

The previous prime is 63781254091. The next prime is 63781254127. The reversal of 63781254101 is 10145218736.

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 63781254101 - 2¹⁸ = 63780991957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63781254151) 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, 535055 + ... + 643308.

It is an arithmetic number, because the mean of its divisors is an integer number (8060009760).

Almost surely, 2^63781254101 is an apocalyptic number.

It is an amenable number.

63781254101 is a deficient number, since it is larger than the sum of its proper divisors (698823979).

63781254101 is a wasteful number, since it uses less digits than its factorization.

63781254101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178955.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 63781254101 in words is "sixty-three billion, seven hundred eighty-one million, two hundred fifty-four thousand, one hundred one".