101896643 has 2 divisors, whose sum is σ = 101896644. Its totient is φ = 101896642.

The previous prime is 101896637. The next prime is 101896661. The reversal of 101896643 is 346698101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101896643 - 2¹² = 101892547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101896597 and 101896606.

It is not a weakly prime, because it can be changed into another prime (101896673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50948321 + 50948322.

It is an arithmetic number, because the mean of its divisors is an integer number (50948322).

Almost surely, 2^101896643 is an apocalyptic number.

101896643 is a deficient number, since it is larger than the sum of its proper divisors (1).

101896643 is an equidigital number, since it uses as much as digits as its factorization.

101896643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 101896643 is about 10094.3867074726. The cubic root of 101896643 is about 467.0750031994.

The spelling of 101896643 in words is "one hundred one million, eight hundred ninety-six thousand, six hundred forty-three".