1900656650 has 24 divisors (see below), whose sum is σ = 3544487424. Its totient is φ = 758270000.

The previous prime is 1900656649. The next prime is 1900656701. The reversal of 1900656650 is 566560091.

It is a super-2 number, since 2×1900656650² = 7224991402378445000, which contains 22 as substring.

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 in 11 ways as a sum of consecutive naturals, for example, 30476 + ... + 68775.

It is an arithmetic number, because the mean of its divisors is an integer number (147686976).

Almost surely, 2^1900656650 is an apocalyptic number.

1900656650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1900656650 is a deficient number, since it is larger than the sum of its proper divisors (1643830774).

1900656650 is a wasteful number, since it uses less digits than its factorization.

1900656650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99646 (or 99641 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 1900656650 is about 43596.5210768015. The cubic root of 1900656650 is about 1238.7049977491.

The spelling of 1900656650 in words is "one billion, nine hundred million, six hundred fifty-six thousand, six hundred fifty".