1376042663 has 16 divisors (see below), whose sum is σ = 1494374400. Its totient is φ = 1263894240.

The previous prime is 1376042639. The next prime is 1376042677. The reversal of 1376042663 is 3662406731.

It is not a de Polignac number, because 1376042663 - 2¹² = 1376038567 is a prime.

It is a super-3 number, since 3×1376042663³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376042683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40070 + ... + 66012.

It is an arithmetic number, because the mean of its divisors is an integer number (93398400).

Almost surely, 2^1376042663 is an apocalyptic number.

1376042663 is a deficient number, since it is larger than the sum of its proper divisors (118331737).

1376042663 is a wasteful number, since it uses less digits than its factorization.

1376042663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 1376042663 is about 37095.0490362258. The cubic root of 1376042663 is about 1112.2710484203.

The spelling of 1376042663 in words is "one billion, three hundred seventy-six million, forty-two thousand, six hundred sixty-three".