3965455149 has 4 divisors (see below), whose sum is σ = 5287273536. Its totient is φ = 2643636764.

The previous prime is 3965455129. The next prime is 3965455159. The reversal of 3965455149 is 9415545693.

3965455149 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 3965455149 - 2¹⁶ = 3965389613 is a prime.

It is a super-2 number, since 2×3965455149² = 31449669077461224402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965455129) 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, 660909189 + ... + 660909194.

It is an arithmetic number, because the mean of its divisors is an integer number (1321818384).

Almost surely, 2^3965455149 is an apocalyptic number.

It is an amenable number.

3965455149 is a deficient number, since it is larger than the sum of its proper divisors (1321818387).

3965455149 is a wasteful number, since it uses less digits than its factorization.

3965455149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321818386.

The product of its digits is 2916000, while the sum is 51.

The square root of 3965455149 is about 62971.8599772946. The cubic root of 3965455149 is about 1582.8181224191.

It can be divided in two parts, 396 and 5455149, that added together give a palindrome (5455545).

The spelling of 3965455149 in words is "three billion, nine hundred sixty-five million, four hundred fifty-five thousand, one hundred forty-nine".