1353648829 has 4 divisors (see below), whose sum is σ = 1457775676. Its totient is φ = 1249521984.

The previous prime is 1353648827. The next prime is 1353648847. The reversal of 1353648829 is 9288463531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 718508025 + 635140804 = 26805^2 + 25202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353648829 - 2¹ = 1353648827 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 (1353648823) 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, 52063404 + ... + 52063429.

It is an arithmetic number, because the mean of its divisors is an integer number (364443919).

Almost surely, 2^1353648829 is an apocalyptic number.

It is an amenable number.

1353648829 is a deficient number, since it is larger than the sum of its proper divisors (104126847).

1353648829 is a wasteful number, since it uses less digits than its factorization.

1353648829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104126846.

The product of its digits is 1244160, while the sum is 49.

The square root of 1353648829 is about 36791.9669085522. The cubic root of 1353648829 is about 1106.2042872404.

The spelling of 1353648829 in words is "one billion, three hundred fifty-three million, six hundred forty-eight thousand, eight hundred twenty-nine".