635540054020313 has 8 divisors (see below), whose sum is σ = 684467042750400. Its totient is φ = 586618678471248.

The previous prime is 635540054020271. The next prime is 635540054020369. The reversal of 635540054020313 is 313020450045536.

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 635540054020313 - 2⁴⁴ = 617947867975897 is a prime.

It is a super-2 number, since 2×635540054020313² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (635540054020013) 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, 1403060093 + ... + 1403512986.

It is an arithmetic number, because the mean of its divisors is an integer number (85558380343800).

Almost surely, 2^{635540054020313} is an apocalyptic number.

It is an amenable number.

635540054020313 is a deficient number, since it is larger than the sum of its proper divisors (48926988730087).

635540054020313 is a wasteful number, since it uses less digits than its factorization.

635540054020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806590511.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 635540054020313 in words is "six hundred thirty-five trillion, five hundred forty billion, fifty-four million, twenty thousand, three hundred thirteen".