147293757697 has 4 divisors (see below), whose sum is σ = 152372852820. Its totient is φ = 142214662576.

The previous prime is 147293757673. The next prime is 147293757707. The reversal of 147293757697 is 796757392741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796757392741 = 6277 ⋅126932833.

It can be written as a sum of positive squares in 2 ways, for example, as 123035383696 + 24258374001 = 350764^2 + 155751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147293757697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147293757097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539547518 + ... + 2539547575.

It is an arithmetic number, because the mean of its divisors is an integer number (38093213205).

Almost surely, 2^147293757697 is an apocalyptic number.

It is an amenable number.

147293757697 is a deficient number, since it is larger than the sum of its proper divisors (5079095123).

147293757697 is an equidigital number, since it uses as much as digits as its factorization.

147293757697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079095122.

The product of its digits is 140026320, while the sum is 67.

The spelling of 147293757697 in words is "one hundred forty-seven billion, two hundred ninety-three million, seven hundred fifty-seven thousand, six hundred ninety-seven".