5441921977 has 2 divisors, whose sum is σ = 5441921978. Its totient is φ = 5441921976.

The previous prime is 5441921971. The next prime is 5441921981. The reversal of 5441921977 is 7791291445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5274245376 + 167676601 = 72624^2 + 12949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5441921977 is a prime.

It is a super-2 number, since 2×5441921977² = 59229029607511177058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5441921977.

It is not a weakly prime, because it can be changed into another prime (5441921971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720960988 + 2720960989.

It is an arithmetic number, because the mean of its divisors is an integer number (2720960989).

Almost surely, 2^5441921977 is an apocalyptic number.

It is an amenable number.

5441921977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441921977 is an equidigital number, since it uses as much as digits as its factorization.

5441921977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 5441921977 is about 73769.3837374286. The cubic root of 5441921977 is about 1758.9389671595.

The spelling of 5441921977 in words is "five billion, four hundred forty-one million, nine hundred twenty-one thousand, nine hundred seventy-seven".