154492471013 has 2 divisors, whose sum is σ = 154492471014. Its totient is φ = 154492471012.

The previous prime is 154492470967. The next prime is 154492471031. The reversal of 154492471013 is 310174294451.

It is a happy number.

154492471013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (154492471031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154129263649 + 363207364 = 392593^2 + 19058^2 .

It is a cyclic number.

It is not a de Polignac number, because 154492471013 - 2¹⁸ = 154492208869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154492471213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77246235506 + 77246235507.

It is an arithmetic number, because the mean of its divisors is an integer number (77246235507).

Almost surely, 2^154492471013 is an apocalyptic number.

It is an amenable number.

154492471013 is a deficient number, since it is larger than the sum of its proper divisors (1).

154492471013 is an equidigital number, since it uses as much as digits as its factorization.

154492471013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 154492471013 in words is "one hundred fifty-four billion, four hundred ninety-two million, four hundred seventy-one thousand, thirteen".