3641690481 has 32 divisors (see below), whose sum is σ = 5709298560. Its totient is φ = 2035584000.

The previous prime is 3641690467. The next prime is 3641690491. The reversal of 3641690481 is 1840961463.

It is not a de Polignac number, because 3641690481 - 2⁵ = 3641690449 is a prime.

It is a super-2 number, since 2×3641690481² = 26523819118812022722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3641690401) 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 31 ways as a sum of consecutive naturals, for example, 635931 + ... + 641631.

It is an arithmetic number, because the mean of its divisors is an integer number (178415580).

Almost surely, 2^3641690481 is an apocalyptic number.

It is an amenable number.

3641690481 is a deficient number, since it is larger than the sum of its proper divisors (2067608079).

3641690481 is a wasteful number, since it uses less digits than its factorization.

3641690481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3641690481 is about 60346.4206146479. The cubic root of 3641690481 is about 1538.5124333648.

The spelling of 3641690481 in words is "three billion, six hundred forty-one million, six hundred ninety thousand, four hundred eighty-one".