1335998993 has 4 divisors (see below), whose sum is σ = 1526856000. Its totient is φ = 1145141988.

The previous prime is 1335998947. The next prime is 1335999011. The reversal of 1335998993 is 3998995331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1335998993 - 2¹² = 1335994897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335998903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95428493 + ... + 95428506.

It is an arithmetic number, because the mean of its divisors is an integer number (381714000).

Almost surely, 2^1335998993 is an apocalyptic number.

It is an amenable number.

1335998993 is a deficient number, since it is larger than the sum of its proper divisors (190857007).

1335998993 is an equidigital number, since it uses as much as digits as its factorization.

1335998993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190857006.

The product of its digits is 7085880, while the sum is 59.

The square root of 1335998993 is about 36551.3199898444. The cubic root of 1335998993 is about 1101.3754125595.

The spelling of 1335998993 in words is "one billion, three hundred thirty-five million, nine hundred ninety-eight thousand, nine hundred ninety-three".