1641376413 has 16 divisors (see below), whose sum is σ = 2444275840. Its totient is φ = 1088577792.

The previous prime is 1641376409. The next prime is 1641376433. The reversal of 1641376413 is 3146731461.

1641376413 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 3 + 7 + 641 + 3 = 666.

It is not a de Polignac number, because 1641376413 - 2² = 1641376409 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 (1641376433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152281 + ... + 162702.

It is an arithmetic number, because the mean of its divisors is an integer number (152767240).

Almost surely, 2^1641376413 is an apocalyptic number.

It is an amenable number.

1641376413 is a deficient number, since it is larger than the sum of its proper divisors (802899427).

1641376413 is a wasteful number, since it uses less digits than its factorization.

1641376413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315185 (or 315179 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1641376413 is about 40513.9039466700. The cubic root of 1641376413 is about 1179.6035278678.

The spelling of 1641376413 in words is "one billion, six hundred forty-one million, three hundred seventy-six thousand, four hundred thirteen".