49530501619 has 2 divisors, whose sum is σ = 49530501620. Its totient is φ = 49530501618.

The previous prime is 49530501613. The next prime is 49530501649. The reversal of 49530501619 is 91610503594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49530501619 - 2²¹ = 49528404467 is a prime.

It is a super-2 number, since 2×49530501619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49530501613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24765250809 + 24765250810.

It is an arithmetic number, because the mean of its divisors is an integer number (24765250810).

Almost surely, 2^49530501619 is an apocalyptic number.

49530501619 is a deficient number, since it is larger than the sum of its proper divisors (1).

49530501619 is an equidigital number, since it uses as much as digits as its factorization.

49530501619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 49530501619 in words is "forty-nine billion, five hundred thirty million, five hundred one thousand, six hundred nineteen".