74505376736953 has 2 divisors, whose sum is σ = 74505376736954. Its totient is φ = 74505376736952.

The previous prime is 74505376736893. The next prime is 74505376736983. The reversal of 74505376736953 is 35963767350547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74385243097344 + 120133639609 = 8624688^2 + 346603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74505376736953 is a prime.

It is not a weakly prime, because it can be changed into another prime (74505376736983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252688368476 + 37252688368477.

It is an arithmetic number, because the mean of its divisors is an integer number (37252688368477).

Almost surely, 2^{74505376736953} is an apocalyptic number.

It is an amenable number.

74505376736953 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505376736953 is an equidigital number, since it uses as much as digits as its factorization.

74505376736953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500282000, while the sum is 70.

The spelling of 74505376736953 in words is "seventy-four trillion, five hundred five billion, three hundred seventy-six million, seven hundred thirty-six thousand, nine hundred fifty-three".