993140019 has 12 divisors (see below), whose sum is σ = 1436721000. Its totient is φ = 661084704.

The previous prime is 993139999. The next prime is 993140021. The reversal of 993140019 is 910041399.

It is not a de Polignac number, because 993140019 - 2¹⁶ = 993074483 is a prime.

It is a super-2 number, since 2×993140019² = 1972654194678640722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (993140039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77794 + ... + 89655.

It is an arithmetic number, because the mean of its divisors is an integer number (119726750).

Almost surely, 2^993140019 is an apocalyptic number.

993140019 is a deficient number, since it is larger than the sum of its proper divisors (443580981).

993140019 is a wasteful number, since it uses less digits than its factorization.

993140019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168114 (or 168111 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 993140019 is about 31514.1241191946. The cubic root of 993140019 is about 997.7080908320.

The spelling of 993140019 in words is "nine hundred ninety-three million, one hundred forty thousand, nineteen".