64153419217903 has 2 divisors, whose sum is σ = 64153419217904. Its totient is φ = 64153419217902.

The previous prime is 64153419217879. The next prime is 64153419217931. The reversal of 64153419217903 is 30971291435146.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64153419217903 is a prime.

It is a super-2 number, since 2×64153419217903² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64153419217003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32076709608951 + 32076709608952.

It is an arithmetic number, because the mean of its divisors is an integer number (32076709608952).

Almost surely, 2^{64153419217903} is an apocalyptic number.

64153419217903 is a deficient number, since it is larger than the sum of its proper divisors (1).

64153419217903 is an equidigital number, since it uses as much as digits as its factorization.

64153419217903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 64153419217903 in words is "sixty-four trillion, one hundred fifty-three billion, four hundred nineteen million, two hundred seventeen thousand, nine hundred three".