234025642493 has 2 divisors, whose sum is σ = 234025642494. Its totient is φ = 234025642492.

The previous prime is 234025642453. The next prime is 234025642511. The reversal of 234025642493 is 394246520432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204545439289 + 29480203204 = 452267^2 + 171698^2 .

It is a cyclic number.

It is not a de Polignac number, because 234025642493 - 2¹⁶ = 234025576957 is a prime.

It is a super-2 number, since 2×234025642493² (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 (234025642453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117012821246 + 117012821247.

It is an arithmetic number, because the mean of its divisors is an integer number (117012821247).

Almost surely, 2^234025642493 is an apocalyptic number.

It is an amenable number.

234025642493 is a deficient number, since it is larger than the sum of its proper divisors (1).

234025642493 is an equidigital number, since it uses as much as digits as its factorization.

234025642493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 234025642493 in words is "two hundred thirty-four billion, twenty-five million, six hundred forty-two thousand, four hundred ninety-three".