275963949 has 16 divisors (see below), whose sum is σ = 409120000. Its totient is φ = 183847968.

The previous prime is 275963929. The next prime is 275963957. The reversal of 275963949 is 949369572.

275963949 is a `hidden beast` number, since 2 + 7 + 596 + 3 + 9 + 49 = 666.

It is not a de Polignac number, because 275963949 - 2⁹ = 275963437 is a prime.

It is a super-2 number, since 2×275963949² = 152312202295349202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275963895 and 275963904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275963929) 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, 51417 + ... + 56529.

It is an arithmetic number, because the mean of its divisors is an integer number (25570000).

Almost surely, 2^275963949 is an apocalyptic number.

It is an amenable number.

275963949 is a deficient number, since it is larger than the sum of its proper divisors (133156051).

275963949 is a wasteful number, since it uses less digits than its factorization.

275963949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121 (or 7115 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 275963949 is about 16612.1626828056. The cubic root of 275963949 is about 651.0546578585.

The spelling of 275963949 in words is "two hundred seventy-five million, nine hundred sixty-three thousand, nine hundred forty-nine".