241772278609 has 4 divisors (see below), whose sum is σ = 241988727604. Its totient is φ = 241555829616.

The previous prime is 241772278589. The next prime is 241772278663. The reversal of 241772278609 is 906872277142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16161528384 + 225610750225 = 127128^2 + 474985^2 .

It is a cyclic number.

It is not a de Polignac number, because 241772278609 - 2¹³ = 241772270417 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 241772278609.

It is not an unprimeable number, because it can be changed into a prime (241772278309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108222822 + ... + 108225055.

It is an arithmetic number, because the mean of its divisors is an integer number (60497181901).

Almost surely, 2^241772278609 is an apocalyptic number.

It is an amenable number.

241772278609 is a deficient number, since it is larger than the sum of its proper divisors (216448995).

241772278609 is a wasteful number, since it uses less digits than its factorization.

241772278609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216448994.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 241772278609 in words is "two hundred forty-one billion, seven hundred seventy-two million, two hundred seventy-eight thousand, six hundred nine".