19625552630 has 16 divisors (see below), whose sum is σ = 35329062384. Its totient is φ = 7849539360.

The previous prime is 19625552567. The next prime is 19625552663. The reversal of 19625552630 is 3625552691.

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 7 ways as a sum of consecutive naturals, for example, 45209 + ... + 203211.

It is an arithmetic number, because the mean of its divisors is an integer number (2208066399).

Almost surely, 2^19625552630 is an apocalyptic number.

19625552630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19625552630 is a deficient number, since it is larger than the sum of its proper divisors (15703509754).

19625552630 is a wasteful number, since it uses less digits than its factorization.

19625552630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170431.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 19625552630 in words is "nineteen billion, six hundred twenty-five million, five hundred fifty-two thousand, six hundred thirty".