1373772663 has 16 divisors (see below), whose sum is σ = 2036931840. Its totient is φ = 915077592.

The previous prime is 1373772613. The next prime is 1373772689. The reversal of 1373772663 is 3662773731.

1373772663 is a `hidden beast` number, since 13 + 7 + 377 + 266 + 3 = 666.

It is not a de Polignac number, because 1373772663 - 2⁹ = 1373772151 is a prime.

It is a super-2 number, since 2×1373772663² = 3774502659212223138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373772613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12220 + ... + 53822.

It is an arithmetic number, because the mean of its divisors is an integer number (127308240).

Almost surely, 2^1373772663 is an apocalyptic number.

1373772663 is a deficient number, since it is larger than the sum of its proper divisors (663159177).

1373772663 is a wasteful number, since it uses less digits than its factorization.

1373772663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42835 (or 42829 counting only the distinct ones).

The product of its digits is 666792, while the sum is 45.

The square root of 1373772663 is about 37064.4393320606. The cubic root of 1373772663 is about 1111.6590894541.

The spelling of 1373772663 in words is "one billion, three hundred seventy-three million, seven hundred seventy-two thousand, six hundred sixty-three".