7540761289 has 2 divisors, whose sum is σ = 7540761290. Its totient is φ = 7540761288.

The previous prime is 7540761269. The next prime is 7540761307. The reversal of 7540761289 is 9821670457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4449957264 + 3090804025 = 66708^2 + 55595^2 .

It is a cyclic number.

It is not a de Polignac number, because 7540761289 - 2⁷ = 7540761161 is a prime.

It is not a weakly prime, because it can be changed into another prime (7540761269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770380644 + 3770380645.

It is an arithmetic number, because the mean of its divisors is an integer number (3770380645).

Almost surely, 2^7540761289 is an apocalyptic number.

It is an amenable number.

7540761289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7540761289 is an equidigital number, since it uses as much as digits as its factorization.

7540761289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 7540761289 is about 86837.5569036808. The cubic root of 7540761289 is about 1960.9735279803.

The spelling of 7540761289 in words is "seven billion, five hundred forty million, seven hundred sixty-one thousand, two hundred eighty-nine".