2677136949 has 6 divisors (see below), whose sum is σ = 3866975606. Its totient is φ = 1784757960.

The previous prime is 2677136947. The next prime is 2677136971. The reversal of 2677136949 is 9496317762.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2000772900 + 676364049 = 44730^2 + 26007^2 .

It is not a de Polignac number, because 2677136949 - 2¹ = 2677136947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2677136895 and 2677136904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2677136947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148729822 + ... + 148729839.

Almost surely, 2^2677136949 is an apocalyptic number.

It is an amenable number.

2677136949 is a deficient number, since it is larger than the sum of its proper divisors (1189838657).

2677136949 is a wasteful number, since it uses less digits than its factorization.

2677136949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297459667 (or 297459664 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 2677136949 is about 51741.0567054829. The cubic root of 2677136949 is about 1388.5351006011.

The spelling of 2677136949 in words is "two billion, six hundred seventy-seven million, one hundred thirty-six thousand, nine hundred forty-nine".