1277672341513 has 8 divisors (see below), whose sum is σ = 1319464340480. Its totient is φ = 1235916390240.

The previous prime is 1277672341499. The next prime is 1277672341523. The reversal of 1277672341513 is 3151432767721.

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 1277672341513 - 2²⁹ = 1277135470601 is a prime.

It is a super-2 number, since 2×1277672341513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1277672341523) 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, 8939868 + ... + 9081661.

It is an arithmetic number, because the mean of its divisors is an integer number (164933042560).

Almost surely, 2^{1277672341513} is an apocalyptic number.

It is an amenable number.

1277672341513 is a deficient number, since it is larger than the sum of its proper divisors (41791998967).

1277672341513 is a wasteful number, since it uses less digits than its factorization.

1277672341513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023847.

The product of its digits is 1481760, while the sum is 49.

The spelling of 1277672341513 in words is "one trillion, two hundred seventy-seven billion, six hundred seventy-two million, three hundred forty-one thousand, five hundred thirteen".