49004151109 has 2 divisors, whose sum is σ = 49004151110. Its totient is φ = 49004151108.

The previous prime is 49004151101. The next prime is 49004151137. The reversal of 49004151109 is 90115140094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43660102500 + 5344048609 = 208950^2 + 73103^2 .

It is a cyclic number.

It is not a de Polignac number, because 49004151109 - 2³ = 49004151101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49004151101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24502075554 + 24502075555.

It is an arithmetic number, because the mean of its divisors is an integer number (24502075555).

Almost surely, 2^49004151109 is an apocalyptic number.

It is an amenable number.

49004151109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49004151109 is an equidigital number, since it uses as much as digits as its factorization.

49004151109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 49004151109 in words is "forty-nine billion, four million, one hundred fifty-one thousand, one hundred nine".