49373971919999 has 2 divisors, whose sum is σ = 49373971920000. Its totient is φ = 49373971919998.

The previous prime is 49373971919869. The next prime is 49373971920019. The reversal of 49373971919999 is 99991917937394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49373971919999 - 2³² = 49369676952703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49373971913999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24686985959999 + 24686985960000.

It is an arithmetic number, because the mean of its divisors is an integer number (24686985960000).

Almost surely, 2^{49373971919999} is an apocalyptic number.

49373971919999 is a deficient number, since it is larger than the sum of its proper divisors (1).

49373971919999 is an equidigital number, since it uses as much as digits as its factorization.

49373971919999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8437157316, while the sum is 89.

The spelling of 49373971919999 in words is "forty-nine trillion, three hundred seventy-three billion, nine hundred seventy-one million, nine hundred nineteen thousand, nine hundred ninety-nine".