62123640461 has 2 divisors, whose sum is σ = 62123640462. Its totient is φ = 62123640460.

The previous prime is 62123640457. The next prime is 62123640499. The reversal of 62123640461 is 16404632126.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33780234436 + 28343406025 = 183794^2 + 168355^2 .

It is a cyclic number.

It is not a de Polignac number, because 62123640461 - 2² = 62123640457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62123640661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31061820230 + 31061820231.

It is an arithmetic number, because the mean of its divisors is an integer number (31061820231).

Almost surely, 2^62123640461 is an apocalyptic number.

It is an amenable number.

62123640461 is a deficient number, since it is larger than the sum of its proper divisors (1).

62123640461 is an equidigital number, since it uses as much as digits as its factorization.

62123640461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 62123640461 in words is "sixty-two billion, one hundred twenty-three million, six hundred forty thousand, four hundred sixty-one".