15683500340 has 12 divisors (see below), whose sum is σ = 32935350756. Its totient is φ = 6273400128.

The previous prime is 15683500249. The next prime is 15683500351. The reversal of 15683500340 is 4300538651.

It can be written as a sum of positive squares in 2 ways, for example, as 5242339216 + 10441161124 = 72404^2 + 102182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15683500340.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 392087489 + ... + 392087528.

It is an arithmetic number, because the mean of its divisors is an integer number (2744612563).

Almost surely, 2^15683500340 is an apocalyptic number.

15683500340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15683500340 is an abundant number, since it is smaller than the sum of its proper divisors (17251850416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15683500340 is a wasteful number, since it uses less digits than its factorization.

15683500340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784175026 (or 784175024 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 15683500340 in words is "fifteen billion, six hundred eighty-three million, five hundred thousand, three hundred forty".