5405969057 has 2 divisors, whose sum is σ = 5405969058. Its totient is φ = 5405969056.

The previous prime is 5405969047. The next prime is 5405969071. The reversal of 5405969057 is 7509695045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3690684001 + 1715285056 = 60751^2 + 41416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5405969057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5405968996 and 5405969014.

It is not a weakly prime, because it can be changed into another prime (5405969047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702984528 + 2702984529.

It is an arithmetic number, because the mean of its divisors is an integer number (2702984529).

Almost surely, 2^5405969057 is an apocalyptic number.

It is an amenable number.

5405969057 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405969057 is an equidigital number, since it uses as much as digits as its factorization.

5405969057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The square root of 5405969057 is about 73525.2953547281. The cubic root of 5405969057 is about 1755.0568355768.

The spelling of 5405969057 in words is "five billion, four hundred five million, nine hundred sixty-nine thousand, fifty-seven".