49384477937 has 2 divisors, whose sum is σ = 49384477938. Its totient is φ = 49384477936.

The previous prime is 49384477921. The next prime is 49384477999. The reversal of 49384477937 is 73977448394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36536028736 + 12848449201 = 191144^2 + 113351^2 .

It is a cyclic number.

It is not a de Polignac number, because 49384477937 - 2⁴ = 49384477921 is a prime.

It is a super-2 number, since 2×49384477937² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49384477907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24692238968 + 24692238969.

It is an arithmetic number, because the mean of its divisors is an integer number (24692238969).

Almost surely, 2^49384477937 is an apocalyptic number.

It is an amenable number.

49384477937 is a deficient number, since it is larger than the sum of its proper divisors (1).

49384477937 is an equidigital number, since it uses as much as digits as its factorization.

49384477937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 65.

The spelling of 49384477937 in words is "forty-nine billion, three hundred eighty-four million, four hundred seventy-seven thousand, nine hundred thirty-seven".