49105957469519 has 2 divisors, whose sum is σ = 49105957469520. Its totient is φ = 49105957469518.

The previous prime is 49105957469467. The next prime is 49105957469573. The reversal of 49105957469519 is 91596475950194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49105957469519 - 2¹² = 49105957465423 is a prime.

It is a super-2 number, since 2×49105957469519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49105957469819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24552978734759 + 24552978734760.

It is an arithmetic number, because the mean of its divisors is an integer number (24552978734760).

Almost surely, 2^{49105957469519} is an apocalyptic number.

49105957469519 is a deficient number, since it is larger than the sum of its proper divisors (1).

49105957469519 is an equidigital number, since it uses as much as digits as its factorization.

49105957469519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124000, while the sum is 74.

The spelling of 49105957469519 in words is "forty-nine trillion, one hundred five billion, nine hundred fifty-seven million, four hundred sixty-nine thousand, five hundred nineteen".