149363735569 has 8 divisors (see below), whose sum is σ = 151819984040. Its totient is φ = 146907734400.

The previous prime is 149363735551. The next prime is 149363735593. The reversal of 149363735569 is 965537363941.

It can be written as a sum of positive squares in 4 ways, for example, as 11954142225 + 137409593344 = 109335^2 + 370688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149363735569 - 2¹⁵ = 149363702801 is a prime.

It is a super-2 number, since 2×149363735569² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149363735519) 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 in 7 ways as a sum of consecutive naturals, for example, 1462237 + ... + 1561045.

It is an arithmetic number, because the mean of its divisors is an integer number (18977498005).

Almost surely, 2^149363735569 is an apocalyptic number.

It is an amenable number.

149363735569 is a deficient number, since it is larger than the sum of its proper divisors (2456248471).

149363735569 is an equidigital number, since it uses as much as digits as its factorization.

149363735569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123651.

The product of its digits is 55112400, while the sum is 61.

The spelling of 149363735569 in words is "one hundred forty-nine billion, three hundred sixty-three million, seven hundred thirty-five thousand, five hundred sixty-nine".