49312207519 has 2 divisors, whose sum is σ = 49312207520. Its totient is φ = 49312207518.

The previous prime is 49312207507. The next prime is 49312207543. The reversal of 49312207519 is 91570221394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49312207519 - 2²³ = 49303818911 is a prime.

It is a super-2 number, since 2×49312207519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49312207019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24656103759 + 24656103760.

It is an arithmetic number, because the mean of its divisors is an integer number (24656103760).

Almost surely, 2^49312207519 is an apocalyptic number.

49312207519 is a deficient number, since it is larger than the sum of its proper divisors (1).

49312207519 is an equidigital number, since it uses as much as digits as its factorization.

49312207519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 49312207519 in words is "forty-nine billion, three hundred twelve million, two hundred seven thousand, five hundred nineteen".