388500000293 has 2 divisors, whose sum is σ = 388500000294. Its totient is φ = 388500000292.

The previous prime is 388500000209. The next prime is 388500000337. The reversal of 388500000293 is 392000005883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388499150209 + 850084 = 623297^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 388500000293 - 2¹⁴ = 388499983909 is a prime.

It is a super-2 number, since 2×388500000293² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388500000593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194250000146 + 194250000147.

It is an arithmetic number, because the mean of its divisors is an integer number (194250000147).

Almost surely, 2^388500000293 is an apocalyptic number.

It is an amenable number.

388500000293 is a deficient number, since it is larger than the sum of its proper divisors (1).

388500000293 is an equidigital number, since it uses as much as digits as its factorization.

388500000293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 388500000293 in words is "three hundred eighty-eight billion, five hundred million, two hundred ninety-three", and thus it is an aban number.