1354369643 has 4 divisors (see below), whose sum is σ = 1477494168. Its totient is φ = 1231245120.

The previous prime is 1354369567. The next prime is 1354369661. The reversal of 1354369643 is 3469634531.

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

It is a cyclic number.

It is not a de Polignac number, because 1354369643 - 2²⁴ = 1337592427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354369594 and 1354369603.

It is not an unprimeable number, because it can be changed into a prime (1354369043) 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, 61562246 + ... + 61562267.

It is an arithmetic number, because the mean of its divisors is an integer number (369373542).

Almost surely, 2^1354369643 is an apocalyptic number.

1354369643 is a deficient number, since it is larger than the sum of its proper divisors (123124525).

1354369643 is a wasteful number, since it uses less digits than its factorization.

1354369643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123124524.

The product of its digits is 699840, while the sum is 44.

The square root of 1354369643 is about 36801.7614116499. The cubic root of 1354369643 is about 1106.4006025698.

The spelling of 1354369643 in words is "one billion, three hundred fifty-four million, three hundred sixty-nine thousand, six hundred forty-three".