70491011 has 2 divisors, whose sum is σ = 70491012. Its totient is φ = 70491010.

The previous prime is 70490971. The next prime is 70491019. The reversal of 70491011 is 11019407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70491011 - 2⁶ = 70490947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70491019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35245505 + 35245506.

It is an arithmetic number, because the mean of its divisors is an integer number (35245506).

Almost surely, 2^70491011 is an apocalyptic number.

70491011 is a deficient number, since it is larger than the sum of its proper divisors (1).

70491011 is an equidigital number, since it uses as much as digits as its factorization.

70491011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 70491011 is about 8395.8925076492. The cubic root of 70491011 is about 413.0899029816.

The spelling of 70491011 in words is "seventy million, four hundred ninety-one thousand, eleven".