2061249226837 has 2 divisors, whose sum is σ = 2061249226838. Its totient is φ = 2061249226836.

The previous prime is 2061249226759. The next prime is 2061249226843. The reversal of 2061249226837 is 7386229421602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1870586877636 + 190662349201 = 1367694^2 + 436649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061249226837 is a prime.

It is a super-2 number, since 2×2061249226837² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061249226877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030624613418 + 1030624613419.

It is an arithmetic number, because the mean of its divisors is an integer number (1030624613419).

Almost surely, 2^{2061249226837} is an apocalyptic number.

It is an amenable number.

2061249226837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061249226837 is an equidigital number, since it uses as much as digits as its factorization.

2061249226837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 2061249226837 in words is "two trillion, sixty-one billion, two hundred forty-nine million, two hundred twenty-six thousand, eight hundred thirty-seven".