1048689623 has 8 divisors (see below), whose sum is σ = 1099476096. Its totient is φ = 998335800.

The previous prime is 1048689599. The next prime is 1048689637. The reversal of 1048689623 is 3269868401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048689623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048689643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103193 + ... + 112898.

It is an arithmetic number, because the mean of its divisors is an integer number (137434512).

Almost surely, 2^1048689623 is an apocalyptic number.

1048689623 is a deficient number, since it is larger than the sum of its proper divisors (50786473).

1048689623 is a wasteful number, since it uses less digits than its factorization.

1048689623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216325.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1048689623 is about 32383.4776236278. The cubic root of 1048689623 is about 1015.9733673424.

The spelling of 1048689623 in words is "one billion, forty-eight million, six hundred eighty-nine thousand, six hundred twenty-three".