1377031683728 has 20 divisors (see below), whose sum is σ = 2669333616000. Its totient is φ = 688171395744.

The previous prime is 1377031683719. The next prime is 1377031683743. The reversal of 1377031683728 is 8273861307731.

It is a super-3 number, since 3×1377031683728³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21494900 + ... + 21558867.

It is an arithmetic number, because the mean of its divisors is an integer number (133466680800).

Almost surely, 2^{1377031683728} is an apocalyptic number.

It is an amenable number.

1377031683728 is a deficient number, since it is larger than the sum of its proper divisors (1292301932272).

1377031683728 is a wasteful number, since it uses less digits than its factorization.

1377031683728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43055774 (or 43055768 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 1377031683728 in words is "one trillion, three hundred seventy-seven billion, thirty-one million, six hundred eighty-three thousand, seven hundred twenty-eight".