49400245129 has 2 divisors, whose sum is σ = 49400245130. Its totient is φ = 49400245128.

The previous prime is 49400245121. The next prime is 49400245241. The reversal of 49400245129 is 92154200494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48909534025 + 490711104 = 221155^2 + 22152^2 .

It is a cyclic number.

It is not a de Polignac number, because 49400245129 - 2³ = 49400245121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49400245091 and 49400245100.

It is not a weakly prime, because it can be changed into another prime (49400245121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24700122564 + 24700122565.

It is an arithmetic number, because the mean of its divisors is an integer number (24700122565).

Almost surely, 2^49400245129 is an apocalyptic number.

It is an amenable number.

49400245129 is a deficient number, since it is larger than the sum of its proper divisors (1).

49400245129 is an equidigital number, since it uses as much as digits as its factorization.

49400245129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 49400245129 in words is "forty-nine billion, four hundred million, two hundred forty-five thousand, one hundred twenty-nine".