118638000473 has 2 divisors, whose sum is σ = 118638000474. Its totient is φ = 118638000472.

The previous prime is 118638000469. The next prime is 118638000479. The reversal of 118638000473 is 374000836811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83403707209 + 35234293264 = 288797^2 + 187708^2 .

It is a cyclic number.

It is not a de Polignac number, because 118638000473 - 2² = 118638000469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118638000473.

It is not a weakly prime, because it can be changed into another prime (118638000479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59319000236 + 59319000237.

It is an arithmetic number, because the mean of its divisors is an integer number (59319000237).

Almost surely, 2^118638000473 is an apocalyptic number.

It is an amenable number.

118638000473 is a deficient number, since it is larger than the sum of its proper divisors (1).

118638000473 is an equidigital number, since it uses as much as digits as its factorization.

118638000473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 118638000473 in words is "one hundred eighteen billion, six hundred thirty-eight million, four hundred seventy-three", and thus it is an aban number.