2312603549 has 2 divisors, whose sum is σ = 2312603550. Its totient is φ = 2312603548.

The previous prime is 2312603543. The next prime is 2312603569. The reversal of 2312603549 is 9453062132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2071888324 + 240715225 = 45518^2 + 15515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312603549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312603543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156301774 + 1156301775.

It is an arithmetic number, because the mean of its divisors is an integer number (1156301775).

Almost surely, 2^2312603549 is an apocalyptic number.

It is an amenable number.

2312603549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312603549 is an equidigital number, since it uses as much as digits as its factorization.

2312603549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2312603549 is about 48089.5367933608. The cubic root of 2312603549 is about 1322.4128558948.

The spelling of 2312603549 in words is "two billion, three hundred twelve million, six hundred three thousand, five hundred forty-nine".