10202997943 has 2 divisors, whose sum is σ = 10202997944. Its totient is φ = 10202997942.

The previous prime is 10202997941. The next prime is 10202997983. The reversal of 10202997943 is 34979920201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202997943 - 2¹ = 10202997941 is a prime.

Together with 10202997941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10202997893 and 10202997902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202997941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101498971 + 5101498972.

It is an arithmetic number, because the mean of its divisors is an integer number (5101498972).

Almost surely, 2^10202997943 is an apocalyptic number.

10202997943 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202997943 is an equidigital number, since it uses as much as digits as its factorization.

10202997943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 10202997943 in words is "ten billion, two hundred two million, nine hundred ninety-seven thousand, nine hundred forty-three".