1630338854 has 12 divisors (see below), whose sum is σ = 2556459276. Its totient is φ = 779726772.

The previous prime is 1630338847. The next prime is 1630338889. The reversal of 1630338854 is 4588330361.

It is a Curzon number.

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 in 5 ways as a sum of consecutive naturals, for example, 769424 + ... + 771539.

It is an arithmetic number, because the mean of its divisors is an integer number (213038273).

Almost surely, 2^1630338854 is an apocalyptic number.

1630338854 is a deficient number, since it is larger than the sum of its proper divisors (926120422).

1630338854 is a wasteful number, since it uses less digits than its factorization.

1630338854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541011 (or 1540988 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1630338854 is about 40377.4547736729. The cubic root of 1630338854 is about 1176.9534679379.

The spelling of 1630338854 in words is "one billion, six hundred thirty million, three hundred thirty-eight thousand, eight hundred fifty-four".