50719999999999 has 12 divisors (see below), whose sum is σ = 55756926748152. Its totient is φ = 46103430372560.

The previous prime is 50719999999979. The next prime is 50720000000011. The reversal of 50719999999999 is 99999999991705.

It is not a de Polignac number, because 50719999999999 - 2⁷ = 50719999999871 is a prime.

It is a super-9 number, since 9×50719999999999⁹ (a number of 125 digits) contains 999999999 as substring.

It is a Duffinian number.

50719999999999 is a modest number, since divided by 9999999 gives 5071999 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 50719999999898 and 50719999999907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50719999999919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24739852 + ... + 26711425.

It is an arithmetic number, because the mean of its divisors is an integer number (4646410562346).

Almost surely, 2^{50719999999999} is an apocalyptic number.

50719999999999 is a deficient number, since it is larger than the sum of its proper divisors (5036926748153).

50719999999999 is a wasteful number, since it uses less digits than its factorization.

50719999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51459446 (or 51459435 counting only the distinct ones).

The product of its (nonzero) digits is 122037454035, while the sum is 103.

The spelling of 50719999999999 in words is "fifty trillion, seven hundred nineteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".