3642471829 has 2 divisors, whose sum is σ = 3642471830. Its totient is φ = 3642471828.

The previous prime is 3642471827. The next prime is 3642471953. The reversal of 3642471829 is 9281742463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2547523729 + 1094948100 = 50473^2 + 33090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642471829 - 2¹ = 3642471827 is a prime.

Together with 3642471827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642471827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821235914 + 1821235915.

It is an arithmetic number, because the mean of its divisors is an integer number (1821235915).

Almost surely, 2^3642471829 is an apocalyptic number.

It is an amenable number.

3642471829 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642471829 is an equidigital number, since it uses as much as digits as its factorization.

3642471829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 3642471829 is about 60352.8941228173. The cubic root of 3642471829 is about 1538.6224580594.

The spelling of 3642471829 in words is "three billion, six hundred forty-two million, four hundred seventy-one thousand, eight hundred twenty-nine".