64138314061 has 8 divisors (see below), whose sum is σ = 64234716480. Its totient is φ = 64041971328.

The previous prime is 64138314059. The next prime is 64138314089. The reversal of 64138314061 is 16041383146.

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 64138314061 - 2¹ = 64138314059 is a prime.

It is a super-2 number, since 2×64138314061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64138314061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64138314091) 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 7 ways as a sum of consecutive naturals, for example, 2428650 + ... + 2454916.

It is an arithmetic number, because the mean of its divisors is an integer number (8029339560).

Almost surely, 2^64138314061 is an apocalyptic number.

It is an amenable number.

64138314061 is a deficient number, since it is larger than the sum of its proper divisors (96402419).

64138314061 is a wasteful number, since it uses less digits than its factorization.

64138314061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29843.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 64138314061 in words is "sixty-four billion, one hundred thirty-eight million, three hundred fourteen thousand, sixty-one".