1333931491993 has 16 divisors (see below), whose sum is σ = 1396854869760. Its totient is φ = 1271426435136.

The previous prime is 1333931491979. The next prime is 1333931492009. The reversal of 1333931491993 is 3991941393331.

It is a cyclic number.

It is not a de Polignac number, because 1333931491993 - 2⁹ = 1333931491481 is a prime.

It is a super-2 number, since 2×1333931491993² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333931491903) 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 15 ways as a sum of consecutive naturals, for example, 7495123 + ... + 7671031.

It is an arithmetic number, because the mean of its divisors is an integer number (87303429360).

Almost surely, 2^{1333931491993} is an apocalyptic number.

It is an amenable number.

1333931491993 is a deficient number, since it is larger than the sum of its proper divisors (62923377767).

1333931491993 is a wasteful number, since it uses less digits than its factorization.

1333931491993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177096.

The product of its digits is 6377292, while the sum is 58.

The spelling of 1333931491993 in words is "one trillion, three hundred thirty-three billion, nine hundred thirty-one million, four hundred ninety-one thousand, nine hundred ninety-three".