3961671501 has 32 divisors (see below), whose sum is σ = 5640376320. Its totient is φ = 2467612224.

The previous prime is 3961671487. The next prime is 3961671521. The reversal of 3961671501 is 1051761693.

It is a happy number.

3961671501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3961671501 - 2⁹ = 3961670989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3961671501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961671521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2298426 + ... + 2300148.

It is an arithmetic number, because the mean of its divisors is an integer number (176261760).

Almost surely, 2^3961671501 is an apocalyptic number.

It is an amenable number.

3961671501 is a deficient number, since it is larger than the sum of its proper divisors (1678704819).

3961671501 is a wasteful number, since it uses less digits than its factorization.

3961671501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 3961671501 is about 62941.8104363070. The cubic root of 3961671501 is about 1582.3145457249.

The spelling of 3961671501 in words is "three billion, nine hundred sixty-one million, six hundred seventy-one thousand, five hundred one".