1382450661 has 12 divisors (see below), whose sum is σ = 1997255520. Its totient is φ = 921457320.

The previous prime is 1382450651. The next prime is 1382450681. The reversal of 1382450661 is 1660542831.

It is a happy number.

1382450661 is a `hidden beast` number, since 13 + 82 + 4 + 506 + 61 = 666.

It is not a de Polignac number, because 1382450661 - 2⁷ = 1382450533 is a prime.

It is a super-2 number, since 2×1382450661² = 3822339660198673842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382450651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49810 + ... + 72428.

It is an arithmetic number, because the mean of its divisors is an integer number (166437960).

Almost surely, 2^1382450661 is an apocalyptic number.

It is an amenable number.

1382450661 is a deficient number, since it is larger than the sum of its proper divisors (614804859).

1382450661 is a wasteful number, since it uses less digits than its factorization.

1382450661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29416 (or 29413 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1382450661 is about 37181.3213993263. The cubic root of 1382450661 is about 1113.9949279756.

The spelling of 1382450661 in words is "one billion, three hundred eighty-two million, four hundred fifty thousand, six hundred sixty-one".