3461263681 has 4 divisors (see below), whose sum is σ = 3461502852. Its totient is φ = 3461024512.

The previous prime is 3461263669. The next prime is 3461263727. The reversal of 3461263681 is 1863621643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1636607025 + 1824656656 = 40455^2 + 42716^2 .

It is a cyclic number.

It is not a de Polignac number, because 3461263681 - 2¹³ = 3461255489 is a prime.

It is a super-2 number, since 2×3461263681² = 23960692538819339522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3461263601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96376 + ... + 127321.

It is an arithmetic number, because the mean of its divisors is an integer number (865375713).

Almost surely, 2^3461263681 is an apocalyptic number.

It is an amenable number.

3461263681 is a deficient number, since it is larger than the sum of its proper divisors (239171).

3461263681 is a wasteful number, since it uses less digits than its factorization.

3461263681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239170.

The product of its digits is 124416, while the sum is 40.

The square root of 3461263681 is about 58832.5053095651. The cubic root of 3461263681 is about 1512.6724425659.

The spelling of 3461263681 in words is "three billion, four hundred sixty-one million, two hundred sixty-three thousand, six hundred eighty-one".