61070716453 has 2 divisors, whose sum is σ = 61070716454. Its totient is φ = 61070716452.

The previous prime is 61070716439. The next prime is 61070716463. The reversal of 61070716453 is 35461707016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32013082084 + 29057634369 = 178922^2 + 170463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61070716453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61070716423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30535358226 + 30535358227.

It is an arithmetic number, because the mean of its divisors is an integer number (30535358227).

Almost surely, 2^61070716453 is an apocalyptic number.

It is an amenable number.

61070716453 is a deficient number, since it is larger than the sum of its proper divisors (1).

61070716453 is an equidigital number, since it uses as much as digits as its factorization.

61070716453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 61070716453 in words is "sixty-one billion, seventy million, seven hundred sixteen thousand, four hundred fifty-three".