5402148049 has 2 divisors, whose sum is σ = 5402148050. Its totient is φ = 5402148048.

The previous prime is 5402148047. The next prime is 5402148053. The reversal of 5402148049 is 9408412045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5397547024 + 4601025 = 73468^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5402148049 - 2¹ = 5402148047 is a prime.

Together with 5402148047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5402147999 and 5402148017.

It is not a weakly prime, because it can be changed into another prime (5402148047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701074024 + 2701074025.

It is an arithmetic number, because the mean of its divisors is an integer number (2701074025).

Almost surely, 2^5402148049 is an apocalyptic number.

It is an amenable number.

5402148049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402148049 is an equidigital number, since it uses as much as digits as its factorization.

5402148049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 5402148049 is about 73499.3064525101. The cubic root of 5402148049 is about 1754.6432392514.

The spelling of 5402148049 in words is "five billion, four hundred two million, one hundred forty-eight thousand, forty-nine".