2563431745 has 16 divisors (see below), whose sum is σ = 3540862080. Its totient is φ = 1745132544.

The previous prime is 2563431733. The next prime is 2563431791. The reversal of 2563431745 is 5471343652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2563431745 - 2¹¹ = 2563429697 is a prime.

It is a super-2 number, since 2×2563431745² = 13142364622547490050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2563431698 and 2563431707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258592 + ... + 268321.

It is an arithmetic number, because the mean of its divisors is an integer number (221303880).

Almost surely, 2^2563431745 is an apocalyptic number.

It is an amenable number.

2563431745 is a deficient number, since it is larger than the sum of its proper divisors (977430335).

2563431745 is a wasteful number, since it uses less digits than its factorization.

2563431745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527064.

The product of its digits is 302400, while the sum is 40.

The square root of 2563431745 is about 50630.3441129922. The cubic root of 2563431745 is about 1368.5917553829.

The spelling of 2563431745 in words is "two billion, five hundred sixty-three million, four hundred thirty-one thousand, seven hundred forty-five".