712173019 has 2 divisors, whose sum is σ = 712173020. Its totient is φ = 712173018.

The previous prime is 712173017. The next prime is 712173037. The reversal of 712173019 is 910371217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712173019 - 2¹ = 712173017 is a prime.

It is a super-2 number, since 2×712173019² = 1014380817983148722, which contains 22 as substring.

Together with 712173017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (712173017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356086509 + 356086510.

It is an arithmetic number, because the mean of its divisors is an integer number (356086510).

Almost surely, 2^712173019 is an apocalyptic number.

712173019 is a deficient number, since it is larger than the sum of its proper divisors (1).

712173019 is an equidigital number, since it uses as much as digits as its factorization.

712173019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 712173019 is about 26686.5700118992. The cubic root of 712173019 is about 893.0213433835.

The spelling of 712173019 in words is "seven hundred twelve million, one hundred seventy-three thousand, nineteen".