3835674781 has 2 divisors, whose sum is σ = 3835674782. Its totient is φ = 3835674780.

The previous prime is 3835674769. The next prime is 3835674803. The reversal of 3835674781 is 1874765383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2887342756 + 948332025 = 53734^2 + 30795^2 .

It is a cyclic number.

It is not a de Polignac number, because 3835674781 - 2⁵ = 3835674749 is a prime.

It is a super-2 number, since 2×3835674781² = 29424802051198795922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3835674751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917837390 + 1917837391.

It is an arithmetic number, because the mean of its divisors is an integer number (1917837391).

Almost surely, 2^3835674781 is an apocalyptic number.

It is an amenable number.

3835674781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3835674781 is an equidigital number, since it uses as much as digits as its factorization.

3835674781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The square root of 3835674781 is about 61932.8247458486. The cubic root of 3835674781 is about 1565.3588960056.

The spelling of 3835674781 in words is "three billion, eight hundred thirty-five million, six hundred seventy-four thousand, seven hundred eighty-one".