5405444137 has 2 divisors, whose sum is σ = 5405444138. Its totient is φ = 5405444136.

The previous prime is 5405444113. The next prime is 5405444147. The reversal of 5405444137 is 7314445045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3502390761 + 1903053376 = 59181^2 + 43624^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405444137 - 2¹¹ = 5405442089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5405444096 and 5405444105.

It is not a weakly prime, because it can be changed into another prime (5405444147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702722068 + 2702722069.

It is an arithmetic number, because the mean of its divisors is an integer number (2702722069).

Almost surely, 2^5405444137 is an apocalyptic number.

It is an amenable number.

5405444137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405444137 is an equidigital number, since it uses as much as digits as its factorization.

5405444137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 5405444137 is about 73521.7256122297. The cubic root of 5405444137 is about 1755.0000283547. Note that the first 4 decimals are identical.

The spelling of 5405444137 in words is "five billion, four hundred five million, four hundred forty-four thousand, one hundred thirty-seven".