1850620141 has 2 divisors, whose sum is σ = 1850620142. Its totient is φ = 1850620140.

The previous prime is 1850620139. The next prime is 1850620169. The reversal of 1850620141 is 1410260581.

It is an a-pointer prime, because the next prime (1850620169) can be obtained adding 1850620141 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1743062500 + 107557641 = 41750^2 + 10371^2 .

It is an emirp because it is prime and its reverse (1410260581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1850620141 - 2¹ = 1850620139 is a prime.

Together with 1850620139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1850620171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925310070 + 925310071.

It is an arithmetic number, because the mean of its divisors is an integer number (925310071).

Almost surely, 2^1850620141 is an apocalyptic number.

1850620141 is the 27208-th centered pentagonal number.

It is an amenable number.

1850620141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850620141 is an equidigital number, since it uses as much as digits as its factorization.

1850620141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1850620141 is about 43018.8347238741. The cubic root of 1850620141 is about 1227.7381794678.

The spelling of 1850620141 in words is "one billion, eight hundred fifty million, six hundred twenty thousand, one hundred forty-one".