424762771609 has 12 divisors (see below), whose sum is σ = 467041940820. Its totient is φ = 386020659200.

The previous prime is 424762771561. The next prime is 424762771627. The reversal of 424762771609 is 906177267424.

It can be written as a sum of positive squares in 2 ways, for example, as 243991542025 + 180771229584 = 493955^2 + 425172^2 .

It is not a de Polignac number, because 424762771609 - 2¹⁷ = 424762640537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424762771609.

It is not an unprimeable number, because it can be changed into a prime (424762777609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209224 + ... + 945145.

It is an arithmetic number, because the mean of its divisors is an integer number (38920161735).

Almost surely, 2^424762771609 is an apocalyptic number.

It is an amenable number.

424762771609 is a deficient number, since it is larger than the sum of its proper divisors (42279169211).

424762771609 is a wasteful number, since it uses less digits than its factorization.

424762771609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157432 (or 1157421 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 424762771609 in words is "four hundred twenty-four billion, seven hundred sixty-two million, seven hundred seventy-one thousand, six hundred nine".