49243835692729 has 2 divisors, whose sum is σ = 49243835692730. Its totient is φ = 49243835692728.

The previous prime is 49243835692669. The next prime is 49243835692823. The reversal of 49243835692729 is 92729653834294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28281677074704 + 20962158618025 = 5318052^2 + 4578445^2 .

It is a cyclic number.

It is not a de Polignac number, because 49243835692729 - 2¹⁵ = 49243835659961 is a prime.

It is not a weakly prime, because it can be changed into another prime (49243835693729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24621917846364 + 24621917846365.

It is an arithmetic number, because the mean of its divisors is an integer number (24621917846365).

Almost surely, 2^{49243835692729} is an apocalyptic number.

It is an amenable number.

49243835692729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49243835692729 is an equidigital number, since it uses as much as digits as its factorization.

49243835692729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1410877440, while the sum is 73.

The spelling of 49243835692729 in words is "forty-nine trillion, two hundred forty-three billion, eight hundred thirty-five million, six hundred ninety-two thousand, seven hundred twenty-nine".