70320051629 has 2 divisors, whose sum is σ = 70320051630. Its totient is φ = 70320051628.

The previous prime is 70320051583. The next prime is 70320051647. The reversal of 70320051629 is 92615002307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67144729129 + 3175322500 = 259123^2 + 56350^2 .

It is an emirp because it is prime and its reverse (92615002307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70320051629 - 2²⁴ = 70303274413 is a prime.

It is a super-2 number, since 2×70320051629² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70320051689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35160025814 + 35160025815.

It is an arithmetic number, because the mean of its divisors is an integer number (35160025815).

Almost surely, 2^70320051629 is an apocalyptic number.

It is an amenable number.

70320051629 is a deficient number, since it is larger than the sum of its proper divisors (1).

70320051629 is an equidigital number, since it uses as much as digits as its factorization.

70320051629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 70320051629 in words is "seventy billion, three hundred twenty million, fifty-one thousand, six hundred twenty-nine".