1677323649 has 16 divisors (see below), whose sum is σ = 2406810240. Its totient is φ = 1035183360.

The previous prime is 1677323647. The next prime is 1677323651. The reversal of 1677323649 is 9463237761.

It is an interprime number because it is at equal distance from previous prime (1677323647) and next prime (1677323651).

It is not a de Polignac number, because 1677323649 - 2¹ = 1677323647 is a prime.

It is a super-3 number, since 3×1677323649³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1677323598 and 1677323607.

It is not an unprimeable number, because it can be changed into a prime (1677323647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266469 + ... + 272690.

It is an arithmetic number, because the mean of its divisors is an integer number (150425640).

Almost surely, 2^1677323649 is an apocalyptic number.

It is an amenable number.

1677323649 is a deficient number, since it is larger than the sum of its proper divisors (729486591).

1677323649 is a wasteful number, since it uses less digits than its factorization.

1677323649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539240.

The product of its digits is 1143072, while the sum is 48.

The square root of 1677323649 is about 40955.1419116086. The cubic root of 1677323649 is about 1188.1527843440.

The spelling of 1677323649 in words is "one billion, six hundred seventy-seven million, three hundred twenty-three thousand, six hundred forty-nine".