509011373 has 16 divisors (see below), whose sum is σ = 554976576. Its totient is φ = 464056320.

The previous prime is 509011357. The next prime is 509011379. The reversal of 509011373 is 373110905.

It is not a de Polignac number, because 509011373 - 2⁴ = 509011357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509011379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437090 + ... + 438252.

It is an arithmetic number, because the mean of its divisors is an integer number (34686036).

Almost surely, 2^509011373 is an apocalyptic number.

It is an amenable number.

509011373 is a deficient number, since it is larger than the sum of its proper divisors (45965203).

509011373 is a wasteful number, since it uses less digits than its factorization.

509011373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 509011373 is about 22561.2803936301. The cubic root of 509011373 is about 798.4403849143.

The spelling of 509011373 in words is "five hundred nine million, eleven thousand, three hundred seventy-three".