677342514249 has 8 divisors (see below), whose sum is σ = 1003470391520. Its totient is φ = 451561676148.

The previous prime is 677342514241. The next prime is 677342514281. The reversal of 677342514249 is 942415243776.

677342514249 is a `hidden beast` number, since 6 + 7 + 7 + 342 + 51 + 4 + 249 = 666.

It is not a de Polignac number, because 677342514249 - 2³ = 677342514241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677342514195 and 677342514204.

It is not an unprimeable number, because it can be changed into a prime (677342514241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12543379867 + ... + 12543379920.

It is an arithmetic number, because the mean of its divisors is an integer number (125433798940).

Almost surely, 2^677342514249 is an apocalyptic number.

It is an amenable number.

677342514249 is a deficient number, since it is larger than the sum of its proper divisors (326127877271).

677342514249 is a wasteful number, since it uses less digits than its factorization.

677342514249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086759796 (or 25086759790 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 677342514249 in words is "six hundred seventy-seven billion, three hundred forty-two million, five hundred fourteen thousand, two hundred forty-nine".