49146612479 has 2 divisors, whose sum is σ = 49146612480. Its totient is φ = 49146612478.

The previous prime is 49146612467. The next prime is 49146612517. The reversal of 49146612479 is 97421664194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49146612479 - 2⁸ = 49146612223 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49146612479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49146614479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24573306239 + 24573306240.

It is an arithmetic number, because the mean of its divisors is an integer number (24573306240).

Almost surely, 2^49146612479 is an apocalyptic number.

49146612479 is a deficient number, since it is larger than the sum of its proper divisors (1).

49146612479 is an equidigital number, since it uses as much as digits as its factorization.

49146612479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The spelling of 49146612479 in words is "forty-nine billion, one hundred forty-six million, six hundred twelve thousand, four hundred seventy-nine".