2103307926061 has 2 divisors, whose sum is σ = 2103307926062. Its totient is φ = 2103307926060.

The previous prime is 2103307926029. The next prime is 2103307926073. The reversal of 2103307926061 is 1606297033012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103167052900 + 140873161 = 1450230^2 + 11869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103307926061 - 2⁵ = 2103307926029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103307926961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051653963030 + 1051653963031.

It is an arithmetic number, because the mean of its divisors is an integer number (1051653963031).

Almost surely, 2^{2103307926061} is an apocalyptic number.

It is an amenable number.

2103307926061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103307926061 is an equidigital number, since it uses as much as digits as its factorization.

2103307926061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 2103307926061 in words is "two trillion, one hundred three billion, three hundred seven million, nine hundred twenty-six thousand, sixty-one".