2473072686509 has 16 divisors (see below), whose sum is σ = 2495317473600. Its totient is φ = 2450894599296.

The previous prime is 2473072686473. The next prime is 2473072686551. The reversal of 2473072686509 is 9056862703742.

It is a cyclic number.

It is not a de Polignac number, because 2473072686509 - 2²⁸ = 2472804251053 is a prime.

It is a super-2 number, since 2×2473072686509² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473072686809) 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, 352637687 + ... + 352644699.

It is an arithmetic number, because the mean of its divisors is an integer number (155957342100).

Almost surely, 2^{2473072686509} is an apocalyptic number.

It is an amenable number.

2473072686509 is a deficient number, since it is larger than the sum of its proper divisors (22244787091).

2473072686509 is a wasteful number, since it uses less digits than its factorization.

2473072686509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 2473072686509 in words is "two trillion, four hundred seventy-three billion, seventy-two million, six hundred eighty-six thousand, five hundred nine".