3514839781 has 2 divisors, whose sum is σ = 3514839782. Its totient is φ = 3514839780.

The previous prime is 3514839661. The next prime is 3514839787. The reversal of 3514839781 is 1879384153.

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., 3117435556 + 397404225 = 55834^2 + 19935^2 .

It is a cyclic number.

It is not a de Polignac number, because 3514839781 - 2¹³ = 3514831589 is a prime.

It is a super-2 number, since 2×3514839781² = 24708197372200255922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3514839787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1757419890 + 1757419891.

It is an arithmetic number, because the mean of its divisors is an integer number (1757419891).

Almost surely, 2^3514839781 is an apocalyptic number.

It is an amenable number.

3514839781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3514839781 is an equidigital number, since it uses as much as digits as its factorization.

3514839781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 3514839781 is about 59286.0842103777. The cubic root of 3514839781 is about 1520.4372848803.

The spelling of 3514839781 in words is "three billion, five hundred fourteen million, eight hundred thirty-nine thousand, seven hundred eighty-one".