147784294969 has 4 divisors (see below), whose sum is σ = 147785176960. Its totient is φ = 147783412980.

The previous prime is 147784294943. The next prime is 147784294997. The reversal of 147784294969 is 969492487741.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 969492487741 = 71 ⋅13654823771.

It is a cyclic number.

It is not a de Polignac number, because 147784294969 - 2¹³ = 147784286777 is a prime.

It is a super-2 number, since 2×147784294969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147784294898 and 147784294907.

It is not an unprimeable number, because it can be changed into a prime (147784294909) 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, 103629 + ... + 553450.

It is an arithmetic number, because the mean of its divisors is an integer number (36946294240).

Almost surely, 2^147784294969 is an apocalyptic number.

It is an amenable number.

147784294969 is a deficient number, since it is larger than the sum of its proper divisors (881991).

147784294969 is an equidigital number, since it uses as much as digits as its factorization.

147784294969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881990.

The product of its digits is 219469824, while the sum is 70.

The spelling of 147784294969 in words is "one hundred forty-seven billion, seven hundred eighty-four million, two hundred ninety-four thousand, nine hundred sixty-nine".