3507290681 has 2 divisors, whose sum is σ = 3507290682. Its totient is φ = 3507290680.

The previous prime is 3507290663. The next prime is 3507290687. The reversal of 3507290681 is 1860927053.

3507290681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3036010000 + 471280681 = 55100^2 + 21709^2 .

It is a cyclic number.

It is not a de Polignac number, because 3507290681 - 2¹⁰ = 3507289657 is a prime.

It is a super-2 number, since 2×3507290681² = 24602175842058887522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3507290687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753645340 + 1753645341.

It is an arithmetic number, because the mean of its divisors is an integer number (1753645341).

Almost surely, 2^3507290681 is an apocalyptic number.

It is an amenable number.

3507290681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3507290681 is an equidigital number, since it uses as much as digits as its factorization.

3507290681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 3507290681 is about 59222.3832769334. The cubic root of 3507290681 is about 1519.3479834234.

The spelling of 3507290681 in words is "three billion, five hundred seven million, two hundred ninety thousand, six hundred eighty-one".