234248981642639 has 2 divisors, whose sum is σ = 234248981642640. Its totient is φ = 234248981642638.

The previous prime is 234248981642629. The next prime is 234248981642713. The reversal of 234248981642639 is 936246189842432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234248981642639 - 2³⁶ = 234180262165903 is a prime.

It is a super-2 number, since 2×234248981642639² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234248981642629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117124490821319 + 117124490821320.

It is an arithmetic number, because the mean of its divisors is an integer number (117124490821320).

Almost surely, 2^{234248981642639} is an apocalyptic number.

234248981642639 is a deficient number, since it is larger than the sum of its proper divisors (1).

234248981642639 is an equidigital number, since it uses as much as digits as its factorization.

234248981642639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 859963392, while the sum is 71.

The spelling of 234248981642639 in words is "two hundred thirty-four trillion, two hundred forty-eight billion, nine hundred eighty-one million, six hundred forty-two thousand, six hundred thirty-nine".