70272542561549 has 2 divisors, whose sum is σ = 70272542561550. Its totient is φ = 70272542561548.

The previous prime is 70272542561537. The next prime is 70272542561579. The reversal of 70272542561549 is 94516524527207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70265803300900 + 6739260649 = 8382470^2 + 82093^2 .

It is a cyclic number.

It is not a de Polignac number, because 70272542561549 - 2³² = 70268247594253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70272542561579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35136271280774 + 35136271280775.

It is an arithmetic number, because the mean of its divisors is an integer number (35136271280775).

Almost surely, 2^{70272542561549} is an apocalyptic number.

It is an amenable number.

70272542561549 is a deficient number, since it is larger than the sum of its proper divisors (1).

70272542561549 is an equidigital number, since it uses as much as digits as its factorization.

70272542561549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 70272542561549 in words is "seventy trillion, two hundred seventy-two billion, five hundred forty-two million, five hundred sixty-one thousand, five hundred forty-nine".