515653540346 has 16 divisors (see below), whose sum is σ = 900656319744. Its totient is φ = 216824668944.

The previous prime is 515653540343. The next prime is 515653540373. The reversal of 515653540346 is 643045356515.

It is a self number, because there is not a number n which added to its sum of digits gives 515653540346.

It is not an unprimeable number, because it can be changed into a prime (515653540343) 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, 347474690 + ... + 347476173.

It is an arithmetic number, because the mean of its divisors is an integer number (56291019984).

Almost surely, 2^515653540346 is an apocalyptic number.

515653540346 is a deficient number, since it is larger than the sum of its proper divisors (385002779398).

515653540346 is a wasteful number, since it uses less digits than its factorization.

515653540346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694950925.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 515653540346 in words is "five hundred fifteen billion, six hundred fifty-three million, five hundred forty thousand, three hundred forty-six".