49830628381 has 2 divisors, whose sum is σ = 49830628382. Its totient is φ = 49830628380.

The previous prime is 49830628363. The next prime is 49830628387. The reversal of 49830628381 is 18382603894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27825576100 + 22005052281 = 166810^2 + 148341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49830628381 is a prime.

It is a super-2 number, since 2×49830628381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49830628387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24915314190 + 24915314191.

It is an arithmetic number, because the mean of its divisors is an integer number (24915314191).

Almost surely, 2^49830628381 is an apocalyptic number.

It is an amenable number.

49830628381 is a deficient number, since it is larger than the sum of its proper divisors (1).

49830628381 is an equidigital number, since it uses as much as digits as its factorization.

49830628381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 49830628381 in words is "forty-nine billion, eight hundred thirty million, six hundred twenty-eight thousand, three hundred eighty-one".