70235634961 has 2 divisors, whose sum is σ = 70235634962. Its totient is φ = 70235634960.

The previous prime is 70235634923. The next prime is 70235634979. The reversal of 70235634961 is 16943653207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66654330625 + 3581304336 = 258175^2 + 59844^2 .

It is a cyclic number.

It is not a de Polignac number, because 70235634961 - 2⁹ = 70235634449 is a prime.

It is not a weakly prime, because it can be changed into another prime (70235634991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35117817480 + 35117817481.

It is an arithmetic number, because the mean of its divisors is an integer number (35117817481).

Almost surely, 2^70235634961 is an apocalyptic number.

It is an amenable number.

70235634961 is a deficient number, since it is larger than the sum of its proper divisors (1).

70235634961 is an equidigital number, since it uses as much as digits as its factorization.

70235634961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 70235634961 in words is "seventy billion, two hundred thirty-five million, six hundred thirty-four thousand, nine hundred sixty-one".