1649671417277 has 12 divisors (see below), whose sum is σ = 1786367031840. Its totient is φ = 1522742549328.

The previous prime is 1649671417271. The next prime is 1649671417333. The reversal of 1649671417277 is 7727141769461.

It is not a de Polignac number, because 1649671417277 - 2¹⁸ = 1649671155133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649671417271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14678624 + ... + 14790582.

It is an arithmetic number, because the mean of its divisors is an integer number (148863919320).

Almost surely, 2^{1649671417277} is an apocalyptic number.

It is an amenable number.

1649671417277 is a deficient number, since it is larger than the sum of its proper divisors (136695614563).

1649671417277 is a wasteful number, since it uses less digits than its factorization.

1649671417277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199172 (or 199159 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 62.

The spelling of 1649671417277 in words is "one trillion, six hundred forty-nine billion, six hundred seventy-one million, four hundred seventeen thousand, two hundred seventy-seven".