147771995361 has 4 divisors (see below), whose sum is σ = 197029327152. Its totient is φ = 98514663572.

The previous prime is 147771995317. The next prime is 147771995377. The reversal of 147771995361 is 163599177741.

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 147771995361 - 2⁶ = 147771995297 is a prime.

It is a super-2 number, since 2×147771995361² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147771995295 and 147771995304.

It is not an unprimeable number, because it can be changed into a prime (147771995461) 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, 24628665891 + ... + 24628665896.

It is an arithmetic number, because the mean of its divisors is an integer number (49257331788).

Almost surely, 2^147771995361 is an apocalyptic number.

It is an amenable number.

147771995361 is a deficient number, since it is larger than the sum of its proper divisors (49257331791).

147771995361 is an equidigital number, since it uses as much as digits as its factorization.

147771995361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49257331790.

The product of its digits is 10001880, while the sum is 60.

The spelling of 147771995361 in words is "one hundred forty-seven billion, seven hundred seventy-one million, nine hundred ninety-five thousand, three hundred sixty-one".