19625068532 has 24 divisors (see below), whose sum is σ = 36772694280. Its totient is φ = 9131555840.

The previous prime is 19625068513. The next prime is 19625068553. The reversal of 19625068532 is 23586052691.

It can be written as a sum of positive squares in 4 ways, for example, as 4001068516 + 15624000016 = 63254^2 + 124996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615319 + ... + 1627422.

It is an arithmetic number, because the mean of its divisors is an integer number (1532195595).

Almost surely, 2^19625068532 is an apocalyptic number.

It is an amenable number.

19625068532 is a deficient number, since it is larger than the sum of its proper divisors (17147625748).

19625068532 is a wasteful number, since it uses less digits than its factorization.

19625068532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242851 (or 3242849 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 19625068532 in words is "nineteen billion, six hundred twenty-five million, sixty-eight thousand, five hundred thirty-two".