70406771473 has 2 divisors, whose sum is σ = 70406771474. Its totient is φ = 70406771472.

The previous prime is 70406771423. The next prime is 70406771483. The reversal of 70406771473 is 37417760407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39862917649 + 30543853824 = 199657^2 + 174768^2 .

It is a cyclic number.

It is not a de Polignac number, because 70406771473 - 2⁹ = 70406770961 is a prime.

It is a super-2 number, since 2×70406771473² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70406771423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35203385736 + 35203385737.

It is an arithmetic number, because the mean of its divisors is an integer number (35203385737).

Almost surely, 2^70406771473 is an apocalyptic number.

It is an amenable number.

70406771473 is a deficient number, since it is larger than the sum of its proper divisors (1).

70406771473 is an equidigital number, since it uses as much as digits as its factorization.

70406771473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 70406771473 in words is "seventy billion, four hundred six million, seven hundred seventy-one thousand, four hundred seventy-three".