2663705541 has 32 divisors (see below), whose sum is σ = 4131203328. Its totient is φ = 1495203840.

The previous prime is 2663705531. The next prime is 2663705543. The reversal of 2663705541 is 1455073662.

It is not a de Polignac number, because 2663705541 - 2¹⁵ = 2663672773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2663705541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663705543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390601 + ... + 397361.

It is an arithmetic number, because the mean of its divisors is an integer number (129100104).

Almost surely, 2^2663705541 is an apocalyptic number.

2663705541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2663705541 is a deficient number, since it is larger than the sum of its proper divisors (1467497787).

2663705541 is a wasteful number, since it uses less digits than its factorization.

2663705541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2663705541 is about 51611.0990098060. The cubic root of 2663705541 is about 1386.2090761308.

The spelling of 2663705541 in words is "two billion, six hundred sixty-three million, seven hundred five thousand, five hundred forty-one".