70450128029 has 2 divisors, whose sum is σ = 70450128030. Its totient is φ = 70450128028.

The previous prime is 70450127983. The next prime is 70450128059. The reversal of 70450128029 is 92082105407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57889322404 + 12560805625 = 240602^2 + 112075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70450128029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70450127983 and 70450128001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70450128059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35225064014 + 35225064015.

It is an arithmetic number, because the mean of its divisors is an integer number (35225064015).

Almost surely, 2^70450128029 is an apocalyptic number.

It is an amenable number.

70450128029 is a deficient number, since it is larger than the sum of its proper divisors (1).

70450128029 is an equidigital number, since it uses as much as digits as its factorization.

70450128029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 70450128029 in words is "seventy billion, four hundred fifty million, one hundred twenty-eight thousand, twenty-nine".