49153953019 has 2 divisors, whose sum is σ = 49153953020. Its totient is φ = 49153953018.

The previous prime is 49153953001. The next prime is 49153953077. The reversal of 49153953019 is 91035935194.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49153953019 - 2¹⁵ = 49153920251 is a prime.

It is a super-2 number, since 2×49153953019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49153953089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24576976509 + 24576976510.

It is an arithmetic number, because the mean of its divisors is an integer number (24576976510).

Almost surely, 2^49153953019 is an apocalyptic number.

49153953019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49153953019 is an equidigital number, since it uses as much as digits as its factorization.

49153953019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 656100, while the sum is 49.

The spelling of 49153953019 in words is "forty-nine billion, one hundred fifty-three million, nine hundred fifty-three thousand, nineteen".