64006757251 has 16 divisors (see below), whose sum is σ = 65032087680. Its totient is φ = 62990712000.

The previous prime is 64006757249. The next prime is 64006757257. The reversal of 64006757251 is 15275760046.

It is a cyclic number.

It is not a de Polignac number, because 64006757251 - 2¹ = 64006757249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64006757198 and 64006757207.

It is not an unprimeable number, because it can be changed into a prime (64006757257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10981600 + ... + 10987426.

It is an arithmetic number, because the mean of its divisors is an integer number (4064505480).

Almost surely, 2^64006757251 is an apocalyptic number.

64006757251 is a deficient number, since it is larger than the sum of its proper divisors (1025330429).

64006757251 is a wasteful number, since it uses less digits than its factorization.

64006757251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 64006757251 in words is "sixty-four billion, six million, seven hundred fifty-seven thousand, two hundred fifty-one".