70381565629 has 2 divisors, whose sum is σ = 70381565630. Its totient is φ = 70381565628.

The previous prime is 70381565623. The next prime is 70381565659. The reversal of 70381565629 is 92656518307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68579563129 + 1802002500 = 261877^2 + 42450^2 .

It is a cyclic number.

It is not a de Polignac number, because 70381565629 - 2¹³ = 70381557437 is a prime.

It is a super-3 number, since 3×70381565629³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70381565623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35190782814 + 35190782815.

It is an arithmetic number, because the mean of its divisors is an integer number (35190782815).

Almost surely, 2^70381565629 is an apocalyptic number.

It is an amenable number.

70381565629 is a deficient number, since it is larger than the sum of its proper divisors (1).

70381565629 is an equidigital number, since it uses as much as digits as its factorization.

70381565629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 70381565629 in words is "seventy billion, three hundred eighty-one million, five hundred sixty-five thousand, six hundred twenty-nine".