7403684149 has 2 divisors, whose sum is σ = 7403684150. Its totient is φ = 7403684148.

The previous prime is 7403684129. The next prime is 7403684221. The reversal of 7403684149 is 9414863047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7181376049 + 222308100 = 84743^2 + 14910^2 .

It is an emirp because it is prime and its reverse (9414863047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7403684149 - 2⁵ = 7403684117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7403684099 and 7403684108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7403684129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701842074 + 3701842075.

It is an arithmetic number, because the mean of its divisors is an integer number (3701842075).

Almost surely, 2^7403684149 is an apocalyptic number.

It is an amenable number.

7403684149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7403684149 is an equidigital number, since it uses as much as digits as its factorization.

7403684149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 7403684149 is about 86044.6636869481. The cubic root of 7403684149 is about 1949.0184978627.

The spelling of 7403684149 in words is "seven billion, four hundred three million, six hundred eighty-four thousand, one hundred forty-nine".