152609378776609 has 4 divisors (see below), whose sum is σ = 161586401057604. Its totient is φ = 143632356495616.

The previous prime is 152609378776607. The next prime is 152609378776651. The reversal of 152609378776609 is 906677873906251.

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 91838623063009 + 60770755713600 = 9583247^2 + 7795560^2 .

It is a cyclic number.

It is not a de Polignac number, because 152609378776609 - 2¹ = 152609378776607 is a prime.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152609378776607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488511140472 + ... + 4488511140505.

It is an arithmetic number, because the mean of its divisors is an integer number (40396600264401).

Almost surely, 2^{152609378776609} is an apocalyptic number.

It is an amenable number.

152609378776609 is a deficient number, since it is larger than the sum of its proper divisors (8977022280995).

152609378776609 is an equidigital number, since it uses as much as digits as its factorization.

152609378776609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977022280994.

The product of its (nonzero) digits is 1440270720, while the sum is 76.

The spelling of 152609378776609 in words is "one hundred fifty-two trillion, six hundred nine billion, three hundred seventy-eight million, seven hundred seventy-six thousand, six hundred nine".