65380744458 has 16 divisors (see below), whose sum is σ = 145290543360. Its totient is φ = 21793581468.

The previous prime is 65380744433. The next prime is 65380744459. The reversal of 65380744458 is 85444708356.

It is a happy number.

65380744458 is a `hidden beast` number, since 6 + 53 + 80 + 74 + 445 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1210754527 = 65380744458 / (6 + 5 + 3 + 8 + 0 + 7 + 4 + 4 + 4 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (65380744459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605377210 + ... + 605377317.

It is an arithmetic number, because the mean of its divisors is an integer number (9080658960).

Almost surely, 2^65380744458 is an apocalyptic number.

65380744458 is an abundant number, since it is smaller than the sum of its proper divisors (79909798902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65380744458 is a wasteful number, since it uses less digits than its factorization.

65380744458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210754538 (or 1210754532 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 65380744458 in words is "sixty-five billion, three hundred eighty million, seven hundred forty-four thousand, four hundred fifty-eight".