3968402541 has 4 divisors (see below), whose sum is σ = 5291203392. Its totient is φ = 2645601692.

The previous prime is 3968402527. The next prime is 3968402573. The reversal of 3968402541 is 1452048693.

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 3968402541 - 2⁵ = 3968402509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3968402493 and 3968402502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968402741) 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, 661400421 + ... + 661400426.

It is an arithmetic number, because the mean of its divisors is an integer number (1322800848).

Almost surely, 2^3968402541 is an apocalyptic number.

It is an amenable number.

3968402541 is a deficient number, since it is larger than the sum of its proper divisors (1322800851).

3968402541 is a wasteful number, since it uses less digits than its factorization.

3968402541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322800850.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3968402541 is about 62995.2580834462. The cubic root of 3968402541 is about 1583.2101774667.

The spelling of 3968402541 in words is "three billion, nine hundred sixty-eight million, four hundred two thousand, five hundred forty-one".