70663754149 has 2 divisors, whose sum is σ = 70663754150. Its totient is φ = 70663754148.

The previous prime is 70663754111. The next prime is 70663754177. The reversal of 70663754149 is 94145736607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57893172100 + 12770582049 = 240610^2 + 113007^2 .

It is a cyclic number.

It is not a de Polignac number, because 70663754149 - 2²¹ = 70661656997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70663754096 and 70663754105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70663754849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35331877074 + 35331877075.

It is an arithmetic number, because the mean of its divisors is an integer number (35331877075).

Almost surely, 2^70663754149 is an apocalyptic number.

It is an amenable number.

70663754149 is a deficient number, since it is larger than the sum of its proper divisors (1).

70663754149 is an equidigital number, since it uses as much as digits as its factorization.

70663754149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 70663754149 in words is "seventy billion, six hundred sixty-three million, seven hundred fifty-four thousand, one hundred forty-nine".