2621103082427 has 2 divisors, whose sum is σ = 2621103082428. Its totient is φ = 2621103082426.

The previous prime is 2621103082373. The next prime is 2621103082441. The reversal of 2621103082427 is 7242803011262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2621103082427 - 2¹⁰ = 2621103081403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2621103082457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310551541213 + 1310551541214.

It is an arithmetic number, because the mean of its divisors is an integer number (1310551541214).

Almost surely, 2^{2621103082427} is an apocalyptic number.

2621103082427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621103082427 is an equidigital number, since it uses as much as digits as its factorization.

2621103082427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 2621103082427 its reverse (7242803011262), we get a palindrome (9863906093689).

The spelling of 2621103082427 in words is "two trillion, six hundred twenty-one billion, one hundred three million, eighty-two thousand, four hundred twenty-seven".