64370441851 has 2 divisors, whose sum is σ = 64370441852. Its totient is φ = 64370441850.

The previous prime is 64370441819. The next prime is 64370441873. The reversal of 64370441851 is 15814407346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64370441851 - 2⁵ = 64370441819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64370441798 and 64370441807.

It is not a weakly prime, because it can be changed into another prime (64370441881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32185220925 + 32185220926.

It is an arithmetic number, because the mean of its divisors is an integer number (32185220926).

Almost surely, 2^64370441851 is an apocalyptic number.

64370441851 is a deficient number, since it is larger than the sum of its proper divisors (1).

64370441851 is an equidigital number, since it uses as much as digits as its factorization.

64370441851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 64370441851 in words is "sixty-four billion, three hundred seventy million, four hundred forty-one thousand, eight hundred fifty-one".