5157220227479 has 2 divisors, whose sum is σ = 5157220227480. Its totient is φ = 5157220227478.

The previous prime is 5157220227437. The next prime is 5157220227539. The reversal of 5157220227479 is 9747220227515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157220227479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5157220227479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5157220227779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578610113739 + 2578610113740.

It is an arithmetic number, because the mean of its divisors is an integer number (2578610113740).

Almost surely, 2^{5157220227479} is an apocalyptic number.

5157220227479 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157220227479 is an equidigital number, since it uses as much as digits as its factorization.

5157220227479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 5157220227479 in words is "five trillion, one hundred fifty-seven billion, two hundred twenty million, two hundred twenty-seven thousand, four hundred seventy-nine".