3235820685157 has 2 divisors, whose sum is σ = 3235820685158. Its totient is φ = 3235820685156.

The previous prime is 3235820685137. The next prime is 3235820685161. The reversal of 3235820685157 is 7515860285323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111947188516 + 1123873496641 = 1453254^2 + 1060129^2 .

It is a cyclic number.

It is not a de Polignac number, because 3235820685157 - 2¹⁹ = 3235820160869 is a prime.

It is a super-2 number, since 2×3235820685157² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3235820685098 and 3235820685107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3235820685137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617910342578 + 1617910342579.

It is an arithmetic number, because the mean of its divisors is an integer number (1617910342579).

Almost surely, 2^{3235820685157} is an apocalyptic number.

It is an amenable number.

3235820685157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3235820685157 is an equidigital number, since it uses as much as digits as its factorization.

3235820685157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 3235820685157 in words is "three trillion, two hundred thirty-five billion, eight hundred twenty million, six hundred eighty-five thousand, one hundred fifty-seven".