2385400670369 has 2 divisors, whose sum is σ = 2385400670370. Its totient is φ = 2385400670368.

The previous prime is 2385400670353. The next prime is 2385400670371. The reversal of 2385400670369 is 9630760045832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990624701025 + 394775969344 = 1410895^2 + 628312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385400670369 - 2⁴ = 2385400670353 is a prime.

It is a super-2 number, since 2×2385400670369² (a number of 26 digits) contains 22 as substring.

Together with 2385400670371, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2385400670369.

It is not a weakly prime, because it can be changed into another prime (2385400670309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192700335184 + 1192700335185.

It is an arithmetic number, because the mean of its divisors is an integer number (1192700335185).

Almost surely, 2^{2385400670369} is an apocalyptic number.

It is an amenable number.

2385400670369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385400670369 is an equidigital number, since it uses as much as digits as its factorization.

2385400670369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 2385400670369 in words is "two trillion, three hundred eighty-five billion, four hundred million, six hundred seventy thousand, three hundred sixty-nine".