3850640453 has 16 divisors (see below), whose sum is σ = 4465592640. Its totient is φ = 3283488000.

The previous prime is 3850640449. The next prime is 3850640459. The reversal of 3850640453 is 3540460583.

It is a cyclic number.

It is not a de Polignac number, because 3850640453 - 2² = 3850640449 is a prime.

It is a super-3 number, since 3×3850640453³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850640459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70100 + ... + 112317.

It is an arithmetic number, because the mean of its divisors is an integer number (279099540).

Almost surely, 2^3850640453 is an apocalyptic number.

It is an amenable number.

3850640453 is a deficient number, since it is larger than the sum of its proper divisors (614952187).

3850640453 is a wasteful number, since it uses less digits than its factorization.

3850640453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182548.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 3850640453 is about 62053.5289326884. The cubic root of 3850640453 is about 1567.3921102421.

The spelling of 3850640453 in words is "three billion, eight hundred fifty million, six hundred forty thousand, four hundred fifty-three".