154420432513 has 2 divisors, whose sum is σ = 154420432514. Its totient is φ = 154420432512.

The previous prime is 154420432429. The next prime is 154420432547. The reversal of 154420432513 is 315234024451.

It is an a-pointer prime, because the next prime (154420432547) can be obtained adding 154420432513 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151669744704 + 2750687809 = 389448^2 + 52447^2 .

It is an emirp because it is prime and its reverse (315234024451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154420432513 - 2²¹ = 154418335361 is a prime.

It is not a weakly prime, because it can be changed into another prime (154420432213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77210216256 + 77210216257.

It is an arithmetic number, because the mean of its divisors is an integer number (77210216257).

Almost surely, 2^154420432513 is an apocalyptic number.

It is an amenable number.

154420432513 is a deficient number, since it is larger than the sum of its proper divisors (1).

154420432513 is an equidigital number, since it uses as much as digits as its factorization.

154420432513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 154420432513 its reverse (315234024451), we get a palindrome (469654456964).

The spelling of 154420432513 in words is "one hundred fifty-four billion, four hundred twenty million, four hundred thirty-two thousand, five hundred thirteen".