638614054701 has 12 divisors (see below), whose sum is σ = 1054220026912. Its totient is φ = 364922316936.

The previous prime is 638614054681. The next prime is 638614054723. The reversal of 638614054701 is 107450416836.

638614054701 is a `hidden beast` number, since 6 + 3 + 8 + 61 + 40 + 547 + 0 + 1 = 666.

It is not a de Polignac number, because 638614054701 - 2¹³ = 638614046509 is a prime.

It is a super-3 number, since 3×638614054701³ (a number of 36 digits) contains 333 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 (638614054201) 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 11 ways as a sum of consecutive naturals, for example, 5068365451 + ... + 5068365576.

Almost surely, 2^638614054701 is an apocalyptic number.

It is an amenable number.

638614054701 is a deficient number, since it is larger than the sum of its proper divisors (415605972211).

638614054701 is a wasteful number, since it uses less digits than its factorization.

638614054701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136731040 (or 10136731037 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 638614054701 in words is "six hundred thirty-eight billion, six hundred fourteen million, fifty-four thousand, seven hundred one".