2915401724849 has 2 divisors, whose sum is σ = 2915401724850. Its totient is φ = 2915401724848.

The previous prime is 2915401724827. The next prime is 2915401724929. The reversal of 2915401724849 is 9484271045192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2731483398400 + 183918326449 = 1652720^2 + 428857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2915401724849 - 2⁸ = 2915401724593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2915401724794 and 2915401724803.

It is not a weakly prime, because it can be changed into another prime (2915401726849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457700862424 + 1457700862425.

It is an arithmetic number, because the mean of its divisors is an integer number (1457700862425).

Almost surely, 2^{2915401724849} is an apocalyptic number.

It is an amenable number.

2915401724849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2915401724849 is an equidigital number, since it uses as much as digits as its factorization.

2915401724849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 2915401724849 in words is "two trillion, nine hundred fifteen billion, four hundred one million, seven hundred twenty-four thousand, eight hundred forty-nine".