493470890929 has 2 divisors, whose sum is σ = 493470890930. Its totient is φ = 493470890928.

The previous prime is 493470890923. The next prime is 493470890999. The reversal of 493470890929 is 929098074394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424520008704 + 68950882225 = 651552^2 + 262585^2 .

It is a cyclic number.

It is not a de Polignac number, because 493470890929 - 2⁵ = 493470890897 is a prime.

It is a super-2 number, since 2×493470890929² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493470890923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246735445464 + 246735445465.

It is an arithmetic number, because the mean of its divisors is an integer number (246735445465).

Almost surely, 2^493470890929 is an apocalyptic number.

It is an amenable number.

493470890929 is a deficient number, since it is larger than the sum of its proper divisors (1).

493470890929 is an equidigital number, since it uses as much as digits as its factorization.

493470890929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 493470890929 in words is "four hundred ninety-three billion, four hundred seventy million, eight hundred ninety thousand, nine hundred twenty-nine".