70321131956993 has 2 divisors, whose sum is σ = 70321131956994. Its totient is φ = 70321131956992.

The previous prime is 70321131956981. The next prime is 70321131957053. The reversal of 70321131956993 is 39965913112307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65095738285249 + 5225393671744 = 8068193^2 + 2285912^2 .

It is a cyclic number.

It is not a de Polignac number, because 70321131956993 - 2¹⁶ = 70321131891457 is a prime.

It is not a weakly prime, because it can be changed into another prime (70321131956093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35160565978496 + 35160565978497.

It is an arithmetic number, because the mean of its divisors is an integer number (35160565978497).

Almost surely, 2^{70321131956993} is an apocalyptic number.

It is an amenable number.

70321131956993 is a deficient number, since it is larger than the sum of its proper divisors (1).

70321131956993 is an equidigital number, since it uses as much as digits as its factorization.

70321131956993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8266860, while the sum is 59.

The spelling of 70321131956993 in words is "seventy trillion, three hundred twenty-one billion, one hundred thirty-one million, nine hundred fifty-six thousand, nine hundred ninety-three".