1377740535690 has 32 divisors (see below), whose sum is σ = 3306749360256. Its totient is φ = 367378356800.

The previous prime is 1377740535671. The next prime is 1377740535751. The reversal of 1377740535690 is 965350477731.

It is a super-2 number, since 2×1377740535690² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1377740535690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604086 + ... + 1766465.

It is an arithmetic number, because the mean of its divisors is an integer number (103335917508).

Almost surely, 2^{1377740535690} is an apocalyptic number.

1377740535690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1377740535690 is an abundant number, since it is smaller than the sum of its proper divisors (1929008824566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377740535690 is a wasteful number, since it uses less digits than its factorization.

1377740535690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389934.

The product of its (nonzero) digits is 16669800, while the sum is 57.

The spelling of 1377740535690 in words is "one trillion, three hundred seventy-seven billion, seven hundred forty million, five hundred thirty-five thousand, six hundred ninety".