505213645426 has 16 divisors (see below), whose sum is σ = 870568003584. Its totient is φ = 215398266624.

The previous prime is 505213645421. The next prime is 505213645507. The reversal of 505213645426 is 624546312505.

It is not an unprimeable number, because it can be changed into a prime (505213645421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93486130 + ... + 93491533.

It is an arithmetic number, because the mean of its divisors is an integer number (54410500224).

Almost surely, 2^505213645426 is an apocalyptic number.

505213645426 is a deficient number, since it is larger than the sum of its proper divisors (365354358158).

505213645426 is a wasteful number, since it uses less digits than its factorization.

505213645426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186977865.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 505213645426 in words is "five hundred five billion, two hundred thirteen million, six hundred forty-five thousand, four hundred twenty-six".