3965461551 has 12 divisors (see below), whose sum is σ = 5734583712. Its totient is φ = 2640551136.

The previous prime is 3965461459. The next prime is 3965461553. The reversal of 3965461551 is 1551645693.

3965461551 is a `hidden beast` number, since 3 + 96 + 5 + 4 + 6 + 1 + 551 = 666.

3965461551 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 3965461551 - 2⁹ = 3965461039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3965461497 and 3965461506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965461553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249351 + ... + 264776.

It is an arithmetic number, because the mean of its divisors is an integer number (477881976).

Almost surely, 2^3965461551 is an apocalyptic number.

3965461551 is a deficient number, since it is larger than the sum of its proper divisors (1769122161).

3965461551 is a wasteful number, since it uses less digits than its factorization.

3965461551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514990 (or 514987 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 3965461551 is about 62971.9108095030. The cubic root of 3965461551 is about 1582.8189742083.

The spelling of 3965461551 in words is "three billion, nine hundred sixty-five million, four hundred sixty-one thousand, five hundred fifty-one".