65415619941223 has 2 divisors, whose sum is σ = 65415619941224. Its totient is φ = 65415619941222.

The previous prime is 65415619941187. The next prime is 65415619941409. The reversal of 65415619941223 is 32214991651456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65415619941223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65415619941823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32707809970611 + 32707809970612.

It is an arithmetic number, because the mean of its divisors is an integer number (32707809970612).

Almost surely, 2^{65415619941223} is an apocalyptic number.

65415619941223 is a deficient number, since it is larger than the sum of its proper divisors (1).

65415619941223 is an equidigital number, since it uses as much as digits as its factorization.

65415619941223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 58.

The spelling of 65415619941223 in words is "sixty-five trillion, four hundred fifteen billion, six hundred nineteen million, nine hundred forty-one thousand, two hundred twenty-three".