1373442263 has 8 divisors (see below), whose sum is σ = 1446553728. Its totient is φ = 1301447224.

The previous prime is 1373442241. The next prime is 1373442269. The reversal of 1373442263 is 3622443731.

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 1373442263 - 2⁶ = 1373442199 is a prime.

It is a super-2 number, since 2×1373442263² = 3772687299589122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373442269) 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, 276581 + ... + 281502.

It is an arithmetic number, because the mean of its divisors is an integer number (180819216).

Almost surely, 2^1373442263 is an apocalyptic number.

1373442263 is a deficient number, since it is larger than the sum of its proper divisors (73111465).

1373442263 is a wasteful number, since it uses less digits than its factorization.

1373442263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558213.

The product of its digits is 72576, while the sum is 35.

The square root of 1373442263 is about 37059.9819616794. The cubic root of 1373442263 is about 1111.5699622347.

Adding to 1373442263 its reverse (3622443731), we get a palindrome (4995885994).

The spelling of 1373442263 in words is "one billion, three hundred seventy-three million, four hundred forty-two thousand, two hundred sixty-three".