9700874021 has 2 divisors, whose sum is σ = 9700874022. Its totient is φ = 9700874020.

The previous prime is 9700874017. The next prime is 9700874069. The reversal of 9700874021 is 1204780079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6552093025 + 3148780996 = 80945^2 + 56114^2 .

It is an emirp because it is prime and its reverse (1204780079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9700874021 - 2² = 9700874017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9700879021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4850437010 + 4850437011.

It is an arithmetic number, because the mean of its divisors is an integer number (4850437011).

Almost surely, 2^9700874021 is an apocalyptic number.

It is an amenable number.

9700874021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9700874021 is an equidigital number, since it uses as much as digits as its factorization.

9700874021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 9700874021 is about 98493.0150873655. The cubic root of 9700874021 is about 2132.7352885459.

The spelling of 9700874021 in words is "nine billion, seven hundred million, eight hundred seventy-four thousand, twenty-one".