517019890469 has 32 divisors (see below), whose sum is σ = 555681202560. Its totient is φ = 480388866048.

The previous prime is 517019890463. The next prime is 517019890487. The reversal of 517019890469 is 964098910715.

It is a cyclic number.

It is not a de Polignac number, because 517019890469 - 2⁸ = 517019890213 is a prime.

It is a super-2 number, since 2×517019890469² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517019890463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9789317 + ... + 9841989.

It is an arithmetic number, because the mean of its divisors is an integer number (17365037580).

Almost surely, 2^517019890469 is an apocalyptic number.

517019890469 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

517019890469 is a deficient number, since it is larger than the sum of its proper divisors (38661312091).

517019890469 is a wasteful number, since it uses less digits than its factorization.

517019890469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 517019890469 in words is "five hundred seventeen billion, nineteen million, eight hundred ninety thousand, four hundred sixty-nine".