2415145513409 has 2 divisors, whose sum is σ = 2415145513410. Its totient is φ = 2415145513408.

The previous prime is 2415145513309. The next prime is 2415145513411. The reversal of 2415145513409 is 9043155415142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2145917361025 + 269228152384 = 1464895^2 + 518872^2 .

It is a cyclic number.

It is not a de Polignac number, because 2415145513409 - 2³⁶ = 2346426036673 is a prime.

Together with 2415145513411, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2415145513409.

It is not a weakly prime, because it can be changed into another prime (2415145513439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207572756704 + 1207572756705.

It is an arithmetic number, because the mean of its divisors is an integer number (1207572756705).

Almost surely, 2^{2415145513409} is an apocalyptic number.

It is an amenable number.

2415145513409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415145513409 is an equidigital number, since it uses as much as digits as its factorization.

2415145513409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 2415145513409 in words is "two trillion, four hundred fifteen billion, one hundred forty-five million, five hundred thirteen thousand, four hundred nine".