235400928813989 has 2 divisors, whose sum is σ = 235400928813990. Its totient is φ = 235400928813988.

The previous prime is 235400928813889. The next prime is 235400928814001. The reversal of 235400928813989 is 989318829004532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124597052913025 + 110803875900964 = 11162305^2 + 10526342^2 .

It is a cyclic number.

It is not a de Polignac number, because 235400928813989 - 2⁸ = 235400928813733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235400928813889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117700464406994 + 117700464406995.

It is an arithmetic number, because the mean of its divisors is an integer number (117700464406995).

Almost surely, 2^{235400928813989} is an apocalyptic number.

It is an amenable number.

235400928813989 is a deficient number, since it is larger than the sum of its proper divisors (1).

235400928813989 is an equidigital number, since it uses as much as digits as its factorization.

235400928813989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268738560, while the sum is 71.

The spelling of 235400928813989 in words is "two hundred thirty-five trillion, four hundred billion, nine hundred twenty-eight million, eight hundred thirteen thousand, nine hundred eighty-nine".