49397018563429 has 2 divisors, whose sum is σ = 49397018563430. Its totient is φ = 49397018563428.

The previous prime is 49397018563411. The next prime is 49397018563441. The reversal of 49397018563429 is 92436581079394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32443846402500 + 16953172160929 = 5695950^2 + 4117423^2 .

It is a cyclic number.

It is not a de Polignac number, because 49397018563429 - 2²³ = 49397010174821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49397018563469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24698509281714 + 24698509281715.

It is an arithmetic number, because the mean of its divisors is an integer number (24698509281715).

It is a 2-persistent number, because it is pandigital, and so is 2⋅49397018563429 = 98794037126858, but 3⋅49397018563429 = 148191055690287 is not.

Almost surely, 2^{49397018563429} is an apocalyptic number.

It is an amenable number.

49397018563429 is a deficient number, since it is larger than the sum of its proper divisors (1).

49397018563429 is an equidigital number, since it uses as much as digits as its factorization.

49397018563429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352719360, while the sum is 70.

The spelling of 49397018563429 in words is "forty-nine trillion, three hundred ninety-seven billion, eighteen million, five hundred sixty-three thousand, four hundred twenty-nine".