4645381541 has 2 divisors, whose sum is σ = 4645381542. Its totient is φ = 4645381540.

The previous prime is 4645381537. The next prime is 4645381571. The reversal of 4645381541 is 1451835464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3751072516 + 894309025 = 61246^2 + 29905^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645381541 - 2² = 4645381537 is a prime.

It is a super-2 number, since 2×4645381541² = 43159139322927069362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645381571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322690770 + 2322690771.

It is an arithmetic number, because the mean of its divisors is an integer number (2322690771).

Almost surely, 2^4645381541 is an apocalyptic number.

It is an amenable number.

4645381541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645381541 is an equidigital number, since it uses as much as digits as its factorization.

4645381541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 41.

The square root of 4645381541 is about 68157.0358877204. The cubic root of 4645381541 is about 1668.5547562939.

The spelling of 4645381541 in words is "four billion, six hundred forty-five million, three hundred eighty-one thousand, five hundred forty-one".