3648518047 has 2 divisors, whose sum is σ = 3648518048. Its totient is φ = 3648518046.

The previous prime is 3648518033. The next prime is 3648518057. The reversal of 3648518047 is 7408158463.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3648518047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3648517988 and 3648518006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648518017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824259023 + 1824259024.

It is an arithmetic number, because the mean of its divisors is an integer number (1824259024).

Almost surely, 2^3648518047 is an apocalyptic number.

3648518047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648518047 is an equidigital number, since it uses as much as digits as its factorization.

3648518047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 3648518047 is about 60402.9638925111. The cubic root of 3648518047 is about 1539.4733183769.

The spelling of 3648518047 in words is "three billion, six hundred forty-eight million, five hundred eighteen thousand, forty-seven".