1853740728337 has 2 divisors, whose sum is σ = 1853740728338. Its totient is φ = 1853740728336.

The previous prime is 1853740728319. The next prime is 1853740728347. The reversal of 1853740728337 is 7338270473581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1640510118976 + 213230609361 = 1280824^2 + 461769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1853740728337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1853740728317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926870364168 + 926870364169.

It is an arithmetic number, because the mean of its divisors is an integer number (926870364169).

Almost surely, 2^{1853740728337} is an apocalyptic number.

It is an amenable number.

1853740728337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1853740728337 is an equidigital number, since it uses as much as digits as its factorization.

1853740728337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 1853740728337 in words is "one trillion, eight hundred fifty-three billion, seven hundred forty million, seven hundred twenty-eight thousand, three hundred thirty-seven".