235156073693 has 2 divisors, whose sum is σ = 235156073694. Its totient is φ = 235156073692.

The previous prime is 235156073671. The next prime is 235156073717. The reversal of 235156073693 is 396370651532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234669518329 + 486555364 = 484427^2 + 22058^2 .

It is a cyclic number.

It is not a de Polignac number, because 235156073693 - 2³² = 230861106397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235156073653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117578036846 + 117578036847.

It is an arithmetic number, because the mean of its divisors is an integer number (117578036847).

Almost surely, 2^235156073693 is an apocalyptic number.

It is an amenable number.

235156073693 is a deficient number, since it is larger than the sum of its proper divisors (1).

235156073693 is an equidigital number, since it uses as much as digits as its factorization.

235156073693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 50.

The spelling of 235156073693 in words is "two hundred thirty-five billion, one hundred fifty-six million, seventy-three thousand, six hundred ninety-three".