49019437213 has 2 divisors, whose sum is σ = 49019437214. Its totient is φ = 49019437212.

The previous prime is 49019437199. The next prime is 49019437223. The reversal of 49019437213 is 31273491094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42513078969 + 6506358244 = 206187^2 + 80662^2 .

It is a cyclic number.

It is not a de Polignac number, because 49019437213 - 2⁹ = 49019436701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49019437213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49019437223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24509718606 + 24509718607.

It is an arithmetic number, because the mean of its divisors is an integer number (24509718607).

Almost surely, 2^49019437213 is an apocalyptic number.

It is an amenable number.

49019437213 is a deficient number, since it is larger than the sum of its proper divisors (1).

49019437213 is an equidigital number, since it uses as much as digits as its factorization.

49019437213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 49019437213 in words is "forty-nine billion, nineteen million, four hundred thirty-seven thousand, two hundred thirteen".