147809597644801 has 4 divisors (see below), whose sum is σ = 149470379640900. Its totient is φ = 146148815648704.

The previous prime is 147809597644769. The next prime is 147809597644859. The reversal of 147809597644801 is 108446795908741.

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 85026398392576 + 62783199252225 = 9220976^2 + 7923585^2 .

It is a cyclic number.

It is not a de Polignac number, because 147809597644801 - 2⁵ = 147809597644769 is a prime.

It is a super-2 number, since 2×147809597644801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147809597644201) 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, 830390997916 + ... + 830390998093.

It is an arithmetic number, because the mean of its divisors is an integer number (37367594910225).

Almost surely, 2^{147809597644801} is an apocalyptic number.

It is an amenable number.

147809597644801 is a deficient number, since it is larger than the sum of its proper divisors (1660781996099).

147809597644801 is an equidigital number, since it uses as much as digits as its factorization.

147809597644801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660781996098.

The product of its (nonzero) digits is 487710720, while the sum is 73.

The spelling of 147809597644801 in words is "one hundred forty-seven trillion, eight hundred nine billion, five hundred ninety-seven million, six hundred forty-four thousand, eight hundred one".