70842539071553 has 2 divisors, whose sum is σ = 70842539071554. Its totient is φ = 70842539071552.

The previous prime is 70842539071511. The next prime is 70842539071559. The reversal of 70842539071553 is 35517093524807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50648372532289 + 20194166539264 = 7116767^2 + 4493792^2 .

It is a cyclic number.

It is not a de Polignac number, because 70842539071553 - 2⁴⁰ = 69743027443777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70842539071492 and 70842539071501.

It is not a weakly prime, because it can be changed into another prime (70842539071559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35421269535776 + 35421269535777.

It is an arithmetic number, because the mean of its divisors is an integer number (35421269535777).

Almost surely, 2^{70842539071553} is an apocalyptic number.

It is an amenable number.

70842539071553 is a deficient number, since it is larger than the sum of its proper divisors (1).

70842539071553 is an equidigital number, since it uses as much as digits as its factorization.

70842539071553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 70842539071553 in words is "seventy trillion, eight hundred forty-two billion, five hundred thirty-nine million, seventy-one thousand, five hundred fifty-three".