49130269856639 has 4 divisors (see below), whose sum is σ = 49130332120056. Its totient is φ = 49130207593224.

The previous prime is 49130269856611. The next prime is 49130269856741. The reversal of 49130269856639 is 93665896203194.

49130269856639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49130269856639 is a prime.

It is a super-2 number, since 2×49130269856639² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49130269856839) 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 in 3 ways as a sum of consecutive naturals, for example, 29932709 + ... + 31531374.

It is an arithmetic number, because the mean of its divisors is an integer number (12282583030014).

Almost surely, 2^{49130269856639} is an apocalyptic number.

49130269856639 is a deficient number, since it is larger than the sum of its proper divisors (62263417).

49130269856639 is an equidigital number, since it uses as much as digits as its factorization.

49130269856639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62263416.

The product of its (nonzero) digits is 453496320, while the sum is 71.

The spelling of 49130269856639 in words is "forty-nine trillion, one hundred thirty billion, two hundred sixty-nine million, eight hundred fifty-six thousand, six hundred thirty-nine".