371851147849 has 2 divisors, whose sum is σ = 371851147850. Its totient is φ = 371851147848.

The previous prime is 371851147769. The next prime is 371851147873. The reversal of 371851147849 is 948741158173.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357795385600 + 14055762249 = 598160^2 + 118557^2 .

It is a cyclic number.

It is not a de Polignac number, because 371851147849 - 2¹¹ = 371851145801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 371851147793 and 371851147802.

It is not a weakly prime, because it can be changed into another prime (371851747849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185925573924 + 185925573925.

It is an arithmetic number, because the mean of its divisors is an integer number (185925573925).

Almost surely, 2^371851147849 is an apocalyptic number.

It is an amenable number.

371851147849 is a deficient number, since it is larger than the sum of its proper divisors (1).

371851147849 is an equidigital number, since it uses as much as digits as its factorization.

371851147849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 58.

The spelling of 371851147849 in words is "three hundred seventy-one billion, eight hundred fifty-one million, one hundred forty-seven thousand, eight hundred forty-nine".