3869469121 has 4 divisors (see below), whose sum is σ = 4422250432. Its totient is φ = 3316687812.

The previous prime is 3869469119. The next prime is 3869469143. The reversal of 3869469121 is 1219649683.

It is a happy number.

3869469121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3869469121 - 2¹ = 3869469119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3869469151) 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, 276390645 + ... + 276390658.

It is an arithmetic number, because the mean of its divisors is an integer number (1105562608).

Almost surely, 2^3869469121 is an apocalyptic number.

It is an amenable number.

3869469121 is a deficient number, since it is larger than the sum of its proper divisors (552781311).

3869469121 is an equidigital number, since it uses as much as digits as its factorization.

3869469121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552781310.

The product of its digits is 559872, while the sum is 49.

The square root of 3869469121 is about 62205.0570371895. The cubic root of 3869469121 is about 1569.9426759061.

The spelling of 3869469121 in words is "three billion, eight hundred sixty-nine million, four hundred sixty-nine thousand, one hundred twenty-one".