2955400647 has 4 divisors (see below), whose sum is σ = 3940534200. Its totient is φ = 1970267096.

The previous prime is 2955400633. The next prime is 2955400697. The reversal of 2955400647 is 7460045592.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2955400647 - 2⁶ = 2955400583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2955400599 and 2955400608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2955400607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492566772 + ... + 492566777.

It is an arithmetic number, because the mean of its divisors is an integer number (985133550).

Almost surely, 2^2955400647 is an apocalyptic number.

2955400647 is a deficient number, since it is larger than the sum of its proper divisors (985133553).

2955400647 is an equidigital number, since it uses as much as digits as its factorization.

2955400647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985133552.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 2955400647 is about 54363.5967077235. The cubic root of 2955400647 is about 1435.0668136122.

The spelling of 2955400647 in words is "two billion, nine hundred fifty-five million, four hundred thousand, six hundred forty-seven".