70235634449 has 2 divisors, whose sum is σ = 70235634450. Its totient is φ = 70235634448.

The previous prime is 70235634439. The next prime is 70235634457. The reversal of 70235634449 is 94443653207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48954660049 + 21280974400 = 221257^2 + 145880^2 .

It is a cyclic number.

It is not a de Polignac number, because 70235634449 - 2⁴ = 70235634433 is a prime.

It is not a weakly prime, because it can be changed into another prime (70235634409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35117817224 + 35117817225.

It is an arithmetic number, because the mean of its divisors is an integer number (35117817225).

Almost surely, 2^70235634449 is an apocalyptic number.

It is an amenable number.

70235634449 is a deficient number, since it is larger than the sum of its proper divisors (1).

70235634449 is an equidigital number, since it uses as much as digits as its factorization.

70235634449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 70235634449 in words is "seventy billion, two hundred thirty-five million, six hundred thirty-four thousand, four hundred forty-nine".