75384468461 has 2 divisors, whose sum is σ = 75384468462. Its totient is φ = 75384468460.

The previous prime is 75384468451. The next prime is 75384468503. The reversal of 75384468461 is 16486448357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65022450025 + 10362018436 = 254995^2 + 101794^2 .

It is an emirp because it is prime and its reverse (16486448357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75384468461 - 2¹⁰ = 75384467437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75384468397 and 75384468406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75384468431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37692234230 + 37692234231.

It is an arithmetic number, because the mean of its divisors is an integer number (37692234231).

Almost surely, 2^75384468461 is an apocalyptic number.

It is an amenable number.

75384468461 is a deficient number, since it is larger than the sum of its proper divisors (1).

75384468461 is an equidigital number, since it uses as much as digits as its factorization.

75384468461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 56.

The spelling of 75384468461 in words is "seventy-five billion, three hundred eighty-four million, four hundred sixty-eight thousand, four hundred sixty-one".