3654263578041 has 40 divisors (see below), whose sum is σ = 5562469341000. Its totient is φ = 2389937591808.

The previous prime is 3654263578033. The next prime is 3654263578061. The reversal of 3654263578041 is 1408753624563.

3654263578041 is a `hidden beast` number, since 3 + 6 + 5 + 4 + 2 + 63 + 578 + 0 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4176907641 + 3650086670400 = 64629^2 + 1910520^2 .

It is not a de Polignac number, because 3654263578041 - 2³ = 3654263578033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3654263578061) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41808801 + ... + 41896113.

It is an arithmetic number, because the mean of its divisors is an integer number (139061733525).

Almost surely, 2^{3654263578041} is an apocalyptic number.

It is an amenable number.

3654263578041 is a deficient number, since it is larger than the sum of its proper divisors (1908205762959).

3654263578041 is an equidigital number, since it uses as much as digits as its factorization.

3654263578041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97127 (or 97118 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 3654263578041 in words is "three trillion, six hundred fifty-four billion, two hundred sixty-three million, five hundred seventy-eight thousand, forty-one".