2012653381 has 2 divisors, whose sum is σ = 2012653382. Its totient is φ = 2012653380.

The previous prime is 2012653367. The next prime is 2012653457. The reversal of 2012653381 is 1833562102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1885730625 + 126922756 = 43425^2 + 11266^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012653381 - 2⁹ = 2012652869 is a prime.

It is a super-2 number, since 2×2012653381² = 8101547264101462322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012653351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006326690 + 1006326691.

It is an arithmetic number, because the mean of its divisors is an integer number (1006326691).

Almost surely, 2^2012653381 is an apocalyptic number.

It is an amenable number.

2012653381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012653381 is an equidigital number, since it uses as much as digits as its factorization.

2012653381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2012653381 is about 44862.6055975352. The cubic root of 2012653381 is about 1262.5725095890.

The spelling of 2012653381 in words is "two billion, twelve million, six hundred fifty-three thousand, three hundred eighty-one".