70230343643 has 2 divisors, whose sum is σ = 70230343644. Its totient is φ = 70230343642.

The previous prime is 70230343633. The next prime is 70230343721. The reversal of 70230343643 is 34634303207.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70230343643 - 2²² = 70226149339 is a prime.

It is a super-2 number, since 2×70230343643² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70230343633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35115171821 + 35115171822.

It is an arithmetic number, because the mean of its divisors is an integer number (35115171822).

Almost surely, 2^70230343643 is an apocalyptic number.

70230343643 is a deficient number, since it is larger than the sum of its proper divisors (1).

70230343643 is an equidigital number, since it uses as much as digits as its factorization.

70230343643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 35.

The spelling of 70230343643 in words is "seventy billion, two hundred thirty million, three hundred forty-three thousand, six hundred forty-three".