53674000643 has 2 divisors, whose sum is σ = 53674000644. Its totient is φ = 53674000642.

The previous prime is 53674000637. The next prime is 53674000673. The reversal of 53674000643 is 34600047635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53674000643 - 2²² = 53669806339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53674000597 and 53674000606.

It is not a weakly prime, because it can be changed into another prime (53674000673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26837000321 + 26837000322.

It is an arithmetic number, because the mean of its divisors is an integer number (26837000322).

Almost surely, 2^53674000643 is an apocalyptic number.

53674000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

53674000643 is an equidigital number, since it uses as much as digits as its factorization.

53674000643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 53674000643 in words is "fifty-three billion, six hundred seventy-four million, six hundred forty-three", and thus it is an aban number.