3146651334649 has 4 divisors (see below), whose sum is σ = 3198235782820. Its totient is φ = 3095066886480.

The previous prime is 3146651334643. The next prime is 3146651334667. The reversal of 3146651334649 is 9464331566413.

It is a happy number.

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 1110231005625 + 2036420329024 = 1053675^2 + 1427032^2 .

It is a cyclic number.

It is not a de Polignac number, because 3146651334649 - 2⁷ = 3146651334521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3146651334649.

It is not an unprimeable number, because it can be changed into a prime (3146651334643) 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, 25792223994 + ... + 25792224115.

It is an arithmetic number, because the mean of its divisors is an integer number (799558945705).

Almost surely, 2^{3146651334649} is an apocalyptic number.

It is an amenable number.

3146651334649 is a deficient number, since it is larger than the sum of its proper divisors (51584448171).

3146651334649 is an equidigital number, since it uses as much as digits as its factorization.

3146651334649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51584448170.

The product of its digits is 16796160, while the sum is 55.

The spelling of 3146651334649 in words is "three trillion, one hundred forty-six billion, six hundred fifty-one million, three hundred thirty-four thousand, six hundred forty-nine".