2048631406 has 4 divisors (see below), whose sum is σ = 3072947112. Its totient is φ = 1024315702.

The previous prime is 2048631391. The next prime is 2048631443. The reversal of 2048631406 is 6041368402.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 512157850 + ... + 512157853.

It is an arithmetic number, because the mean of its divisors is an integer number (768236778).

Almost surely, 2^2048631406 is an apocalyptic number.

2048631406 is a deficient number, since it is larger than the sum of its proper divisors (1024315706).

2048631406 is a wasteful number, since it uses less digits than its factorization.

2048631406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024315705.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2048631406 is about 45261.8095749607. The cubic root of 2048631406 is about 1270.0513352676.

Adding to 2048631406 its reverse (6041368402), we get a palindrome (8089999808).

The spelling of 2048631406 in words is "two billion, forty-eight million, six hundred thirty-one thousand, four hundred six".