70638000863 has 2 divisors, whose sum is σ = 70638000864. Its totient is φ = 70638000862.

The previous prime is 70638000841. The next prime is 70638000869. The reversal of 70638000863 is 36800083607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70638000863 - 2¹⁶ = 70637935327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70638000863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70638000869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35319000431 + 35319000432.

It is an arithmetic number, because the mean of its divisors is an integer number (35319000432).

Almost surely, 2^70638000863 is an apocalyptic number.

70638000863 is a deficient number, since it is larger than the sum of its proper divisors (1).

70638000863 is an equidigital number, since it uses as much as digits as its factorization.

70638000863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 70638000863 in words is "seventy billion, six hundred thirty-eight million, eight hundred sixty-three", and thus it is an aban number.