2631552013 has 2 divisors, whose sum is σ = 2631552014. Its totient is φ = 2631552012.

The previous prime is 2631551977. The next prime is 2631552083. The reversal of 2631552013 is 3102551362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2548432324 + 83119689 = 50482^2 + 9117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631552013 - 2¹³ = 2631543821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631552083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315776006 + 1315776007.

It is an arithmetic number, because the mean of its divisors is an integer number (1315776007).

Almost surely, 2^2631552013 is an apocalyptic number.

It is an amenable number.

2631552013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631552013 is an equidigital number, since it uses as much as digits as its factorization.

2631552013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2631552013 is about 51298.6550798362. The cubic root of 2631552013 is about 1380.6088493465.

The spelling of 2631552013 in words is "two billion, six hundred thirty-one million, five hundred fifty-two thousand, thirteen".