153247861409 has 2 divisors, whose sum is σ = 153247861410. Its totient is φ = 153247861408.

The previous prime is 153247861391. The next prime is 153247861421. The reversal of 153247861409 is 904168742351.

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., 150444688384 + 2803173025 = 387872^2 + 52945^2 .

It is a cyclic number.

It is not a de Polignac number, because 153247861409 - 2⁸ = 153247861153 is a prime.

It is not a weakly prime, because it can be changed into another prime (153247861489) 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, 76623930704 + 76623930705.

It is an arithmetic number, because the mean of its divisors is an integer number (76623930705).

It is a 2-persistent number, because it is pandigital, and so is 2⋅153247861409 = 306495722818, but 3⋅153247861409 = 459743584227 is not.

Almost surely, 2^153247861409 is an apocalyptic number.

It is an amenable number.

153247861409 is a deficient number, since it is larger than the sum of its proper divisors (1).

153247861409 is an equidigital number, since it uses as much as digits as its factorization.

153247861409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 153247861409 in words is "one hundred fifty-three billion, two hundred forty-seven million, eight hundred sixty-one thousand, four hundred nine".