147869757149 has 2 divisors, whose sum is σ = 147869757150. Its totient is φ = 147869757148.

The previous prime is 147869757097. The next prime is 147869757157. The reversal of 147869757149 is 941757968741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98388868900 + 49480888249 = 313670^2 + 222443^2 .

It is a cyclic number.

It is not a de Polignac number, because 147869757149 - 2⁸ = 147869756893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147869757179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73934878574 + 73934878575.

It is an arithmetic number, because the mean of its divisors is an integer number (73934878575).

Almost surely, 2^147869757149 is an apocalyptic number.

It is an amenable number.

147869757149 is a deficient number, since it is larger than the sum of its proper divisors (1).

147869757149 is an equidigital number, since it uses as much as digits as its factorization.

147869757149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 68.

The spelling of 147869757149 in words is "one hundred forty-seven billion, eight hundred sixty-nine million, seven hundred fifty-seven thousand, one hundred forty-nine".