1358849453 has 16 divisors (see below), whose sum is σ = 1537165056. Its totient is φ = 1191801600.

The previous prime is 1358849449. The next prime is 1358849483. The reversal of 1358849453 is 3549488531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1358849453 - 2² = 1358849449 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 (1358849483) 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, 30101 + ... + 60197.

It is an arithmetic number, because the mean of its divisors is an integer number (96072816).

Almost surely, 2^1358849453 is an apocalyptic number.

1358849453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1358849453 is a deficient number, since it is larger than the sum of its proper divisors (178315603).

1358849453 is a wasteful number, since it uses less digits than its factorization.

1358849453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30284.

The product of its digits is 2073600, while the sum is 50.

The square root of 1358849453 is about 36862.5752355963. The cubic root of 1358849453 is about 1107.6191300088.

The spelling of 1358849453 in words is "one billion, three hundred fifty-eight million, eight hundred forty-nine thousand, four hundred fifty-three".