2653423956 has 18 divisors (see below), whose sum is σ = 6707266202. Its totient is φ = 884474640.

The previous prime is 2653423939. The next prime is 2653423961. The reversal of 2653423956 is 6593243562.

2653423956 is a `hidden beast` number, since 2 + 6 + 534 + 23 + 95 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1378933956 + 1274490000 = 37134^2 + 35700^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×2653423956³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36853075 + ... + 36853146.

Almost surely, 2^2653423956 is an apocalyptic number.

It is an amenable number.

2653423956 is an abundant number, since it is smaller than the sum of its proper divisors (4053842246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2653423956 is a wasteful number, since it uses less digits than its factorization.

2653423956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73706231 (or 73706226 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 2653423956 is about 51511.3963701238. The cubic root of 2653423956 is about 1384.4232426740.

The spelling of 2653423956 in words is "two billion, six hundred fifty-three million, four hundred twenty-three thousand, nine hundred fifty-six".