18896531350 has 48 divisors (see below), whose sum is σ = 35314489728. Its totient is φ = 7522813440.

The previous prime is 18896531323. The next prime is 18896531351. The reversal of 18896531350 is 5313569881.

It is a junction number, because it is equal to n+sod(n) for n = 18896531294 and 18896531303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18896531351) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12058267 + ... + 12059833.

It is an arithmetic number, because the mean of its divisors is an integer number (735718536).

Almost surely, 2^18896531350 is an apocalyptic number.

18896531350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18896531350 is a deficient number, since it is larger than the sum of its proper divisors (16417958378).

18896531350 is a wasteful number, since it uses less digits than its factorization.

18896531350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 18896531350 in words is "eighteen billion, eight hundred ninety-six million, five hundred thirty-one thousand, three hundred fifty".