2573435412 has 18 divisors (see below), whose sum is σ = 6505072938. Its totient is φ = 857811792.

The previous prime is 2573435369. The next prime is 2573435413. The reversal of 2573435412 is 2145343752.

2573435412 is a `hidden beast` number, since 2 + 5 + 73 + 43 + 541 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2142208656 + 431226756 = 46284^2 + 20766^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 71484317 = 2573435412 / (2 + 5 + 7 + 3 + 4 + 3 + 5 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573435413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35742123 + ... + 35742194.

It is an arithmetic number, because the mean of its divisors is an integer number (361392941).

Almost surely, 2^2573435412 is an apocalyptic number.

It is an amenable number.

2573435412 is an abundant number, since it is smaller than the sum of its proper divisors (3931637526).

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

2573435412 is a wasteful number, since it uses less digits than its factorization.

2573435412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71484327 (or 71484322 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 2573435412 is about 50729.0391393332. The cubic root of 2573435412 is about 1370.3697320236.

The spelling of 2573435412 in words is "two billion, five hundred seventy-three million, four hundred thirty-five thousand, four hundred twelve".