3869957901 has 4 divisors (see below), whose sum is σ = 5159943872. Its totient is φ = 2579971932.

The previous prime is 3869957887. The next prime is 3869957933. The reversal of 3869957901 is 1097599683.

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 not a de Polignac number, because 3869957901 - 2¹⁵ = 3869925133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869957701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644992981 + ... + 644992986.

It is an arithmetic number, because the mean of its divisors is an integer number (1289985968).

Almost surely, 2^3869957901 is an apocalyptic number.

It is an amenable number.

3869957901 is a deficient number, since it is larger than the sum of its proper divisors (1289985971).

3869957901 is a wasteful number, since it uses less digits than its factorization.

3869957901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289985970.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 3869957901 is about 62208.9856933868. The cubic root of 3869957901 is about 1570.0087766424.

The spelling of 3869957901 in words is "three billion, eight hundred sixty-nine million, nine hundred fifty-seven thousand, nine hundred one".