505070897819 has 16 divisors (see below), whose sum is σ = 544059597312. Its totient is φ = 467700148608.

The previous prime is 505070897797. The next prime is 505070897831. The reversal of 505070897819 is 918798070505.

It is a cyclic number.

It is not a de Polignac number, because 505070897819 - 2²⁸ = 504802462363 is a prime.

It is a super-4 number, since 4×505070897819⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505070899819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147927 + ... + 2371440.

It is an arithmetic number, because the mean of its divisors is an integer number (34003724832).

Almost surely, 2^505070897819 is an apocalyptic number.

505070897819 is a deficient number, since it is larger than the sum of its proper divisors (38988699493).

505070897819 is a wasteful number, since it uses less digits than its factorization.

505070897819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519546.

The product of its (nonzero) digits is 6350400, while the sum is 59.

The spelling of 505070897819 in words is "five hundred five billion, seventy million, eight hundred ninety-seven thousand, eight hundred nineteen".