15348293648 has 20 divisors (see below), whose sum is σ = 29760645420. Its totient is φ = 7668127104.

The previous prime is 15348293647. The next prime is 15348293663. The reversal of 15348293648 is 84639284351.

It can be written as a sum of positive squares in 2 ways, for example, as 12107041024 + 3241252624 = 110032^2 + 56932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15348293648.

It is not an unprimeable number, because it can be changed into a prime (15348293647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355163 + ... + 396026.

It is an arithmetic number, because the mean of its divisors is an integer number (1488032271).

Almost surely, 2^15348293648 is an apocalyptic number.

It is an amenable number.

15348293648 is a deficient number, since it is larger than the sum of its proper divisors (14412351772).

15348293648 is a wasteful number, since it uses less digits than its factorization.

15348293648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752474 (or 752468 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The spelling of 15348293648 in words is "fifteen billion, three hundred forty-eight million, two hundred ninety-three thousand, six hundred forty-eight".