1354745661043 has 4 divisors (see below), whose sum is σ = 1376954606368. Its totient is φ = 1332536715720.

The previous prime is 1354745661041. The next prime is 1354745661103. The reversal of 1354745661043 is 3401665474531.

It is a happy number.

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 1354745661043 - 2¹ = 1354745661041 is a prime.

It is a super-2 number, since 2×1354745661043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354745661041) 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, 11104472571 + ... + 11104472692.

It is an arithmetic number, because the mean of its divisors is an integer number (344238651592).

Almost surely, 2^{1354745661043} is an apocalyptic number.

1354745661043 is a deficient number, since it is larger than the sum of its proper divisors (22208945325).

1354745661043 is an equidigital number, since it uses as much as digits as its factorization.

1354745661043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208945324.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 1354745661043 in words is "one trillion, three hundred fifty-four billion, seven hundred forty-five million, six hundred sixty-one thousand, forty-three".