930203673981 has 4 divisors (see below), whose sum is σ = 1240271565312. Its totient is φ = 620135782652.

The previous prime is 930203673979. The next prime is 930203674007. The reversal of 930203673981 is 189376302039.

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 930203673981 - 2¹ = 930203673979 is a prime.

It is a super-2 number, since 2×930203673981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930203673901) 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, 155033945661 + ... + 155033945666.

It is an arithmetic number, because the mean of its divisors is an integer number (310067891328).

Almost surely, 2^930203673981 is an apocalyptic number.

It is an amenable number.

930203673981 is a deficient number, since it is larger than the sum of its proper divisors (310067891331).

930203673981 is a wasteful number, since it uses less digits than its factorization.

930203673981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310067891330.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 930203673981 in words is "nine hundred thirty billion, two hundred three million, six hundred seventy-three thousand, nine hundred eighty-one".