1933321090 has 16 divisors (see below), whose sum is σ = 3684682872. Its totient is φ = 727838464.

The previous prime is 1933321087. The next prime is 1933321099. The reversal of 1933321090 is 901233391.

It can be written as a sum of positive squares in 4 ways, for example, as 1928702889 + 4618201 = 43917^2 + 2149^2 .

It is not an unprimeable number, because it can be changed into a prime (1933321099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5686069 + ... + 5686408.

Almost surely, 2^1933321090 is an apocalyptic number.

1933321090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1933321090 is a deficient number, since it is larger than the sum of its proper divisors (1751361782).

1933321090 is a wasteful number, since it uses less digits than its factorization.

1933321090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372501.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1933321090 is about 43969.5473026503. The cubic root of 1933321090 is about 1245.7608055028.

The spelling of 1933321090 in words is "one billion, nine hundred thirty-three million, three hundred twenty-one thousand, ninety".