70725351943 has 2 divisors, whose sum is σ = 70725351944. Its totient is φ = 70725351942.

The previous prime is 70725351937. The next prime is 70725352007. The reversal of 70725351943 is 34915352707.

It is a weak prime.

It is an emirp because it is prime and its reverse (34915352707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70725351943 - 2²⁹ = 70188481031 is a prime.

It is a super-2 number, since 2×70725351943² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70725351893 and 70725351902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70725351913) 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, 35362675971 + 35362675972.

It is an arithmetic number, because the mean of its divisors is an integer number (35362675972).

Almost surely, 2^70725351943 is an apocalyptic number.

70725351943 is a deficient number, since it is larger than the sum of its proper divisors (1).

70725351943 is an equidigital number, since it uses as much as digits as its factorization.

70725351943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 70725351943 in words is "seventy billion, seven hundred twenty-five million, three hundred fifty-one thousand, nine hundred forty-three".