1381674034657 has 8 divisors (see below), whose sum is σ = 1579091879232. Its totient is φ = 1184265150000.

The previous prime is 1381674034651. The next prime is 1381674034667. The reversal of 1381674034657 is 7564304761831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1381674034657 - 2⁷ = 1381674034529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1381674034598 and 1381674034607.

It is not an unprimeable number, because it can be changed into a prime (1381674034651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906219 + ... + 2529232.

It is an arithmetic number, because the mean of its divisors is an integer number (197386484904).

Almost surely, 2^{1381674034657} is an apocalyptic number.

It is an amenable number.

1381674034657 is a deficient number, since it is larger than the sum of its proper divisors (197417844575).

1381674034657 is an equidigital number, since it uses as much as digits as its factorization.

1381674034657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479959.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 1381674034657 in words is "one trillion, three hundred eighty-one billion, six hundred seventy-four million, thirty-four thousand, six hundred fifty-seven".