151787028649 has 2 divisors, whose sum is σ = 151787028650. Its totient is φ = 151787028648.

The previous prime is 151787028629. The next prime is 151787028689. The reversal of 151787028649 is 946820787151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87065124624 + 64721904025 = 295068^2 + 254405^2 .

It is a cyclic number.

It is not a de Polignac number, because 151787028649 - 2¹³ = 151787020457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151787028593 and 151787028602.

It is not a weakly prime, because it can be changed into another prime (151787028629) 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, 75893514324 + 75893514325.

It is an arithmetic number, because the mean of its divisors is an integer number (75893514325).

Almost surely, 2^151787028649 is an apocalyptic number.

It is an amenable number.

151787028649 is a deficient number, since it is larger than the sum of its proper divisors (1).

151787028649 is an equidigital number, since it uses as much as digits as its factorization.

151787028649 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 151787028649 in words is "one hundred fifty-one billion, seven hundred eighty-seven million, twenty-eight thousand, six hundred forty-nine".