50369197459949 has 2 divisors, whose sum is σ = 50369197459950. Its totient is φ = 50369197459948.

The previous prime is 50369197459871. The next prime is 50369197459963. The reversal of 50369197459949 is 94995479196305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47174781192100 + 3194416267849 = 6868390^2 + 1787293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50369197459949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50369197459249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25184598729974 + 25184598729975.

It is an arithmetic number, because the mean of its divisors is an integer number (25184598729975).

Almost surely, 2^{50369197459949} is an apocalyptic number.

It is an amenable number.

50369197459949 is a deficient number, since it is larger than the sum of its proper divisors (1).

50369197459949 is an equidigital number, since it uses as much as digits as its factorization.

50369197459949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2976069600, while the sum is 80.

The spelling of 50369197459949 in words is "fifty trillion, three hundred sixty-nine billion, one hundred ninety-seven million, four hundred fifty-nine thousand, nine hundred forty-nine".