4951838854643 has 2 divisors, whose sum is σ = 4951838854644. Its totient is φ = 4951838854642.

The previous prime is 4951838854639. The next prime is 4951838854663. The reversal of 4951838854643 is 3464588381594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4951838854643 - 2² = 4951838854639 is a prime.

It is not a weakly prime, because it can be changed into another prime (4951838854663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475919427321 + 2475919427322.

It is an arithmetic number, because the mean of its divisors is an integer number (2475919427322).

Almost surely, 2^{4951838854643} is an apocalyptic number.

4951838854643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4951838854643 is an equidigital number, since it uses as much as digits as its factorization.

4951838854643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 398131200, while the sum is 68.

The spelling of 4951838854643 in words is "four trillion, nine hundred fifty-one billion, eight hundred thirty-eight million, eight hundred fifty-four thousand, six hundred forty-three".