70467720908831 has 2 divisors, whose sum is σ = 70467720908832. Its totient is φ = 70467720908830.

The previous prime is 70467720908813. The next prime is 70467720908843. The reversal of 70467720908831 is 13880902776407.

Together with previous prime (70467720908813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13880902776407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70467720908831 - 2¹⁰ = 70467720907807 is a prime.

It is a super-2 number, since 2×70467720908831² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70467720908801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35233860454415 + 35233860454416.

It is an arithmetic number, because the mean of its divisors is an integer number (35233860454416).

Almost surely, 2^{70467720908831} is an apocalyptic number.

70467720908831 is a deficient number, since it is larger than the sum of its proper divisors (1).

70467720908831 is an equidigital number, since it uses as much as digits as its factorization.

70467720908831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 70467720908831 in words is "seventy trillion, four hundred sixty-seven billion, seven hundred twenty million, nine hundred eight thousand, eight hundred thirty-one".