65380744487 has 2 divisors, whose sum is σ = 65380744488. Its totient is φ = 65380744486.

The previous prime is 65380744459. The next prime is 65380744493. The reversal of 65380744487 is 78444708356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65380744487 - 2¹⁴ = 65380728103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65380744417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690372243 + 32690372244.

It is an arithmetic number, because the mean of its divisors is an integer number (32690372244).

Almost surely, 2^65380744487 is an apocalyptic number.

65380744487 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380744487 is an equidigital number, since it uses as much as digits as its factorization.

65380744487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 65380744487 in words is "sixty-five billion, three hundred eighty million, seven hundred forty-four thousand, four hundred eighty-seven".