151859903849 has 2 divisors, whose sum is σ = 151859903850. Its totient is φ = 151859903848.

The previous prime is 151859903837. The next prime is 151859903893. The reversal of 151859903849 is 948309958151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84172515625 + 67687388224 = 290125^2 + 260168^2 .

It is a cyclic number.

It is not a de Polignac number, because 151859903849 - 2¹⁶ = 151859838313 is a prime.

It is a super-2 number, since 2×151859903849² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151859903791 and 151859903800.

It is not a weakly prime, because it can be changed into another prime (151859903249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75929951924 + 75929951925.

It is an arithmetic number, because the mean of its divisors is an integer number (75929951925).

Almost surely, 2^151859903849 is an apocalyptic number.

It is an amenable number.

151859903849 is a deficient number, since it is larger than the sum of its proper divisors (1).

151859903849 is an equidigital number, since it uses as much as digits as its factorization.

151859903849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 151859903849 in words is "one hundred fifty-one billion, eight hundred fifty-nine million, nine hundred three thousand, eight hundred forty-nine".