3642983641 has 4 divisors (see below), whose sum is σ = 3974163984. Its totient is φ = 3311803300.

The previous prime is 3642983633. The next prime is 3642983647. The reversal of 3642983641 is 1463892463.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1463892463 = 11 ⋅133081133.

It is a cyclic number.

It is not a de Polignac number, because 3642983641 - 2³ = 3642983633 is a prime.

It is a super-3 number, since 3×3642983641³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3642983591 and 3642983600.

It is not an unprimeable number, because it can be changed into a prime (3642983647) 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, 165590155 + ... + 165590176.

It is an arithmetic number, because the mean of its divisors is an integer number (993540996).

Almost surely, 2^3642983641 is an apocalyptic number.

It is an amenable number.

3642983641 is a deficient number, since it is larger than the sum of its proper divisors (331180343).

3642983641 is a wasteful number, since it uses less digits than its factorization.

3642983641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331180342.

The product of its digits is 746496, while the sum is 46.

The square root of 3642983641 is about 60357.1341350797. The cubic root of 3642983641 is about 1538.6945197979.

The spelling of 3642983641 in words is "three billion, six hundred forty-two million, nine hundred eighty-three thousand, six hundred forty-one".