2630254646 has 4 divisors (see below), whose sum is σ = 3945381972. Its totient is φ = 1315127322.

The previous prime is 2630254639. The next prime is 2630254651. The reversal of 2630254646 is 6464520362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6464520362 = 2 ⋅3232260181.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 657563660 + ... + 657563663.

It is an arithmetic number, because the mean of its divisors is an integer number (986345493).

Almost surely, 2^2630254646 is an apocalyptic number.

2630254646 is a deficient number, since it is larger than the sum of its proper divisors (1315127326).

2630254646 is a wasteful number, since it uses less digits than its factorization.

2630254646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315127325.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2630254646 is about 51286.0082868612. The cubic root of 2630254646 is about 1380.3819299238.

The spelling of 2630254646 in words is "two billion, six hundred thirty million, two hundred fifty-four thousand, six hundred forty-six".