1383730861586 has 16 divisors (see below), whose sum is σ = 2171901032448. Its totient is φ = 660375309600.

The previous prime is 1383730861549. The next prime is 1383730861637. The reversal of 1383730861586 is 6851680373831.

It is a happy number.

It is a super-2 number, since 2×1383730861586² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152860130 + ... + 152869181.

It is an arithmetic number, because the mean of its divisors is an integer number (135743814528).

Almost surely, 2^{1383730861586} is an apocalyptic number.

1383730861586 is a deficient number, since it is larger than the sum of its proper divisors (788170170862).

1383730861586 is a wasteful number, since it uses less digits than its factorization.

1383730861586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305729417.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1383730861586 in words is "one trillion, three hundred eighty-three billion, seven hundred thirty million, eight hundred sixty-one thousand, five hundred eighty-six".