1373620543 has 8 divisors (see below), whose sum is σ = 1413561600. Its totient is φ = 1334126040.

The previous prime is 1373620531. The next prime is 1373620579. The reversal of 1373620543 is 3450263731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1373620543 - 2¹⁷ = 1373489471 is a prime.

It is a super-2 number, since 2×1373620543² = 3773666792303229698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1373620499 and 1373620508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373620343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105393 + ... + 117706.

It is an arithmetic number, because the mean of its divisors is an integer number (176695200).

Almost surely, 2^1373620543 is an apocalyptic number.

1373620543 is a deficient number, since it is larger than the sum of its proper divisors (39941057).

1373620543 is a wasteful number, since it uses less digits than its factorization.

1373620543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223277.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 1373620543 is about 37062.3871735214. The cubic root of 1373620543 is about 1111.6180560217.

The spelling of 1373620543 in words is "one billion, three hundred seventy-three million, six hundred twenty thousand, five hundred forty-three".