51527226019 has 2 divisors, whose sum is σ = 51527226020. Its totient is φ = 51527226018.

The previous prime is 51527226007. The next prime is 51527226029. The reversal of 51527226019 is 91062272515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51527226019 - 2²¹ = 51525128867 is a prime.

It is a super-2 number, since 2×51527226019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51527226029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25763613009 + 25763613010.

It is an arithmetic number, because the mean of its divisors is an integer number (25763613010).

Almost surely, 2^51527226019 is an apocalyptic number.

51527226019 is a deficient number, since it is larger than the sum of its proper divisors (1).

51527226019 is an equidigital number, since it uses as much as digits as its factorization.

51527226019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 51527226019 in words is "fifty-one billion, five hundred twenty-seven million, two hundred twenty-six thousand, nineteen".