201382997793 has 32 divisors (see below), whose sum is σ = 284863132800. Its totient is φ = 126191149056.

The previous prime is 201382997749. The next prime is 201382997801. The reversal of 201382997793 is 397799283102.

It is not a de Polignac number, because 201382997793 - 2¹² = 201382993697 is a prime.

It is a super-2 number, since 2×201382997793² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201382997743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16619305 + ... + 16631417.

It is an arithmetic number, because the mean of its divisors is an integer number (8901972900).

Almost surely, 2^201382997793 is an apocalyptic number.

It is an amenable number.

201382997793 is a deficient number, since it is larger than the sum of its proper divisors (83480135007).

201382997793 is a wasteful number, since it uses less digits than its factorization.

201382997793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 201382997793 in words is "two hundred one billion, three hundred eighty-two million, nine hundred ninety-seven thousand, seven hundred ninety-three".