653147869447 has 2 divisors, whose sum is σ = 653147869448. Its totient is φ = 653147869446.

The previous prime is 653147869427. The next prime is 653147869459. The reversal of 653147869447 is 744968741356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653147869447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653147869417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326573934723 + 326573934724.

It is an arithmetic number, because the mean of its divisors is an integer number (326573934724).

Almost surely, 2^653147869447 is an apocalyptic number.

653147869447 is a deficient number, since it is larger than the sum of its proper divisors (1).

653147869447 is an equidigital number, since it uses as much as digits as its factorization.

653147869447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 64.

The spelling of 653147869447 in words is "six hundred fifty-three billion, one hundred forty-seven million, eight hundred sixty-nine thousand, four hundred forty-seven".