49978179347 has 2 divisors, whose sum is σ = 49978179348. Its totient is φ = 49978179346.

The previous prime is 49978179343. The next prime is 49978179379. The reversal of 49978179347 is 74397187994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49978179347 - 2² = 49978179343 is a prime.

It is not a weakly prime, because it can be changed into another prime (49978179343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24989089673 + 24989089674.

It is an arithmetic number, because the mean of its divisors is an integer number (24989089674).

Almost surely, 2^49978179347 is an apocalyptic number.

49978179347 is a deficient number, since it is larger than the sum of its proper divisors (1).

49978179347 is an equidigital number, since it uses as much as digits as its factorization.

49978179347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96018048, while the sum is 68.

The spelling of 49978179347 in words is "forty-nine billion, nine hundred seventy-eight million, one hundred seventy-nine thousand, three hundred forty-seven".