4015348661 has 4 divisors (see below), whose sum is σ = 4052875392. Its totient is φ = 3977821932.

The previous prime is 4015348639. The next prime is 4015348681. The reversal of 4015348661 is 1668435104.

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.

It is a cyclic number.

It is not a de Polignac number, because 4015348661 - 2²⁶ = 3948239797 is a prime.

It is a super-3 number, since 3×4015348661³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015348621) 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, 18763205 + ... + 18763418.

It is an arithmetic number, because the mean of its divisors is an integer number (1013218848).

Almost surely, 2^4015348661 is an apocalyptic number.

It is an amenable number.

4015348661 is a deficient number, since it is larger than the sum of its proper divisors (37526731).

4015348661 is a wasteful number, since it uses less digits than its factorization.

4015348661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37526730.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 4015348661 is about 63366.7788434918. The cubic root of 4015348661 is about 1589.4288339156.

The spelling of 4015348661 in words is "four billion, fifteen million, three hundred forty-eight thousand, six hundred sixty-one".