2685411431 has 2 divisors, whose sum is σ = 2685411432. Its totient is φ = 2685411430.

The previous prime is 2685411427. The next prime is 2685411461. The reversal of 2685411431 is 1341145862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2685411431 - 2² = 2685411427 is a prime.

It is a super-2 number, since 2×2685411431² = 14422869107490935522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2685411391 and 2685411400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685411461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342705715 + 1342705716.

It is an arithmetic number, because the mean of its divisors is an integer number (1342705716).

Almost surely, 2^2685411431 is an apocalyptic number.

2685411431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685411431 is an equidigital number, since it uses as much as digits as its factorization.

2685411431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 2685411431 is about 51820.9555199439. The cubic root of 2685411431 is about 1389.9641884741.

The spelling of 2685411431 in words is "two billion, six hundred eighty-five million, four hundred eleven thousand, four hundred thirty-one".