75840545383 has 2 divisors, whose sum is σ = 75840545384. Its totient is φ = 75840545382.

The previous prime is 75840545371. The next prime is 75840545387. The reversal of 75840545383 is 38354504857.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75840545383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75840545383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75840545387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37920272691 + 37920272692.

It is an arithmetic number, because the mean of its divisors is an integer number (37920272692).

Almost surely, 2^75840545383 is an apocalyptic number.

75840545383 is a deficient number, since it is larger than the sum of its proper divisors (1).

75840545383 is an equidigital number, since it uses as much as digits as its factorization.

75840545383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 75840545383 in words is "seventy-five billion, eight hundred forty million, five hundred forty-five thousand, three hundred eighty-three".