3648142769 has 4 divisors (see below), whose sum is σ = 3806757696. Its totient is φ = 3489527844.

The previous prime is 3648142763. The next prime is 3648142777. The reversal of 3648142769 is 9672418463.

3648142769 is digitally balanced in base 3, 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 3648142769 - 2⁴ = 3648142753 is a prime.

It is a super-2 number, since 2×3648142769² = 26617891326013974722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3648142763) 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, 79307429 + ... + 79307474.

It is an arithmetic number, because the mean of its divisors is an integer number (951689424).

Almost surely, 2^3648142769 is an apocalyptic number.

It is an amenable number.

3648142769 is a deficient number, since it is larger than the sum of its proper divisors (158614927).

3648142769 is a wasteful number, since it uses less digits than its factorization.

3648142769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158614926.

The product of its digits is 1741824, while the sum is 50.

The square root of 3648142769 is about 60399.8573591031. The cubic root of 3648142769 is about 1539.4205343634.

The spelling of 3648142769 in words is "three billion, six hundred forty-eight million, one hundred forty-two thousand, seven hundred sixty-nine".