3568501381 has 4 divisors (see below), whose sum is σ = 3580125472. Its totient is φ = 3556877292.

The previous prime is 3568501373. The next prime is 3568501411. The reversal of 3568501381 is 1831058653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1831058653 = 30509 ⋅60017.

It is a cyclic number.

It is not a de Polignac number, because 3568501381 - 2³ = 3568501373 is a prime.

It is a super-2 number, since 2×3568501381² = 25468404212397814322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3568501351) 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 in 3 ways as a sum of consecutive naturals, for example, 5811585 + ... + 5812198.

It is an arithmetic number, because the mean of its divisors is an integer number (895031368).

Almost surely, 2^3568501381 is an apocalyptic number.

It is an amenable number.

3568501381 is a deficient number, since it is larger than the sum of its proper divisors (11624091).

3568501381 is a wasteful number, since it uses less digits than its factorization.

3568501381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624090.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 3568501381 is about 59736.9348142336. The cubic root of 3568501381 is about 1528.1358219053.

The spelling of 3568501381 in words is "three billion, five hundred sixty-eight million, five hundred one thousand, three hundred eighty-one".