153643780369 has 4 divisors (see below), whose sum is σ = 153826908480. Its totient is φ = 153460652260.

The previous prime is 153643780331. The next prime is 153643780373. The reversal of 153643780369 is 963087346351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153643780369 - 2⁹ = 153643779857 is a prime.

It is a super-2 number, since 2×153643780369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153643780319) 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, 91562797 + ... + 91564474.

It is an arithmetic number, because the mean of its divisors is an integer number (38456727120).

Almost surely, 2^153643780369 is an apocalyptic number.

It is an amenable number.

153643780369 is a deficient number, since it is larger than the sum of its proper divisors (183128111).

153643780369 is an equidigital number, since it uses as much as digits as its factorization.

153643780369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183128110.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 153643780369 in words is "one hundred fifty-three billion, six hundred forty-three million, seven hundred eighty thousand, three hundred sixty-nine".