70922792561 has 2 divisors, whose sum is σ = 70922792562. Its totient is φ = 70922792560.

The previous prime is 70922792543. The next prime is 70922792579. The reversal of 70922792561 is 16529722907.

It is a balanced prime because it is at equal distance from previous prime (70922792543) and next prime (70922792579).

It can be written as a sum of positive squares in only one way, i.e., 40965760000 + 29957032561 = 202400^2 + 173081^2 .

It is an emirp because it is prime and its reverse (16529722907) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70922792561 is a prime.

It is not a weakly prime, because it can be changed into another prime (70922792531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35461396280 + 35461396281.

It is an arithmetic number, because the mean of its divisors is an integer number (35461396281).

Almost surely, 2^70922792561 is an apocalyptic number.

It is an amenable number.

70922792561 is a deficient number, since it is larger than the sum of its proper divisors (1).

70922792561 is an equidigital number, since it uses as much as digits as its factorization.

70922792561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 70922792561 in words is "seventy billion, nine hundred twenty-two million, seven hundred ninety-two thousand, five hundred sixty-one".