10001943351 has 6 divisors (see below), whose sum is σ = 14447251520. Its totient is φ = 6667962228.

The previous prime is 10001943337. The next prime is 10001943359. The reversal of 10001943351 is 15334910001.

It is not a de Polignac number, because 10001943351 - 2¹¹ = 10001941303 is a prime.

It is a super-2 number, since 2×10001943351² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001943359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555663511 + ... + 555663528.

Almost surely, 2^10001943351 is an apocalyptic number.

10001943351 is a deficient number, since it is larger than the sum of its proper divisors (4445308169).

10001943351 is a wasteful number, since it uses less digits than its factorization.

10001943351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111327045 (or 1111327042 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 10001943351 in words is "ten billion, one million, nine hundred forty-three thousand, three hundred fifty-one".