2621979103 has 2 divisors, whose sum is σ = 2621979104. Its totient is φ = 2621979102.

The previous prime is 2621979077. The next prime is 2621979121. The reversal of 2621979103 is 3019791262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621979103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621979193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310989551 + 1310989552.

It is an arithmetic number, because the mean of its divisors is an integer number (1310989552).

Almost surely, 2^2621979103 is an apocalyptic number.

2621979103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621979103 is an equidigital number, since it uses as much as digits as its factorization.

2621979103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 2621979103 is about 51205.2644070900. The cubic root of 2621979103 is about 1378.9327151779.

The spelling of 2621979103 in words is "two billion, six hundred twenty-one million, nine hundred seventy-nine thousand, one hundred three".