51741917377 has 2 divisors, whose sum is σ = 51741917378. Its totient is φ = 51741917376.

The previous prime is 51741917369. The next prime is 51741917387. The reversal of 51741917377 is 77371914715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30776035761 + 20965881616 = 175431^2 + 144796^2 .

It is a cyclic number.

It is not a de Polignac number, because 51741917377 - 2³ = 51741917369 is a prime.

It is not a weakly prime, because it can be changed into another prime (51741917387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25870958688 + 25870958689.

It is an arithmetic number, because the mean of its divisors is an integer number (25870958689).

Almost surely, 2^51741917377 is an apocalyptic number.

It is an amenable number.

51741917377 is a deficient number, since it is larger than the sum of its proper divisors (1).

51741917377 is an equidigital number, since it uses as much as digits as its factorization.

51741917377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296540, while the sum is 52.

The spelling of 51741917377 in words is "fifty-one billion, seven hundred forty-one million, nine hundred seventeen thousand, three hundred seventy-seven".