863473901 has 2 divisors, whose sum is σ = 863473902. Its totient is φ = 863473900.

The previous prime is 863473879. The next prime is 863473913. The reversal of 863473901 is 109374368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859369225 + 4104676 = 29315^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 863473901 - 2¹⁸ = 863211757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863473951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431736950 + 431736951.

It is an arithmetic number, because the mean of its divisors is an integer number (431736951).

Almost surely, 2^863473901 is an apocalyptic number.

It is an amenable number.

863473901 is a deficient number, since it is larger than the sum of its proper divisors (1).

863473901 is an equidigital number, since it uses as much as digits as its factorization.

863473901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 863473901 is about 29384.9264249547. The cubic root of 863473901 is about 952.2472747758.

The spelling of 863473901 in words is "eight hundred sixty-three million, four hundred seventy-three thousand, nine hundred one".