64136675743037 has 4 divisors (see below), whose sum is σ = 64136697076416. Its totient is φ = 64136654409660.

The previous prime is 64136675743013. The next prime is 64136675743061. The reversal of 64136675743037 is 73034757663146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64136675743013) and next prime (64136675743061).

It is a cyclic number.

It is not a de Polignac number, because 64136675743037 - 2¹⁸ = 64136675480893 is a prime.

It is a super-2 number, since 2×64136675743037² (a number of 28 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 (64136675763037) 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, 5235173 + ... + 12477194.

It is an arithmetic number, because the mean of its divisors is an integer number (16034174269104).

Almost surely, 2^{64136675743037} is an apocalyptic number.

It is an amenable number.

64136675743037 is a deficient number, since it is larger than the sum of its proper divisors (21333379).

64136675743037 is a wasteful number, since it uses less digits than its factorization.

64136675743037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21333378.

The product of its (nonzero) digits is 160030080, while the sum is 62.

The spelling of 64136675743037 in words is "sixty-four trillion, one hundred thirty-six billion, six hundred seventy-five million, seven hundred forty-three thousand, thirty-seven".