201683192939 has 8 divisors (see below), whose sum is σ = 205648022880. Its totient is φ = 197724270016.

The previous prime is 201683192917. The next prime is 201683192987. The reversal of 201683192939 is 939291386102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201683192939 is a prime.

It is a super-2 number, since 2×201683192939² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201683192989) 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, 1407767 + ... + 1544400.

It is an arithmetic number, because the mean of its divisors is an integer number (25706002860).

Almost surely, 2^201683192939 is an apocalyptic number.

201683192939 is a deficient number, since it is larger than the sum of its proper divisors (3964829941).

201683192939 is a wasteful number, since it uses less digits than its factorization.

201683192939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953509.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 201683192939 in words is "two hundred one billion, six hundred eighty-three million, one hundred ninety-two thousand, nine hundred thirty-nine".