1540769063 has 2 divisors, whose sum is σ = 1540769064. Its totient is φ = 1540769062.

The previous prime is 1540769047. The next prime is 1540769141. The reversal of 1540769063 is 3609670451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1540769063 - 2⁴ = 1540769047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1540769063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1540769003) 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, 770384531 + 770384532.

It is an arithmetic number, because the mean of its divisors is an integer number (770384532).

Almost surely, 2^1540769063 is an apocalyptic number.

1540769063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540769063 is an equidigital number, since it uses as much as digits as its factorization.

1540769063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1540769063 is about 39252.6312875965. The cubic root of 1540769063 is about 1154.9925508162.

The spelling of 1540769063 in words is "one billion, five hundred forty million, seven hundred sixty-nine thousand, sixty-three".