7404681953 has 2 divisors, whose sum is σ = 7404681954. Its totient is φ = 7404681952.

The previous prime is 7404681931. The next prime is 7404681997. The reversal of 7404681953 is 3591864047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6309601489 + 1095080464 = 79433^2 + 33092^2 .

It is a cyclic number.

It is not a de Polignac number, because 7404681953 - 2¹⁰ = 7404680929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7404681898 and 7404681907.

It is not a weakly prime, because it can be changed into another prime (7404681913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702340976 + 3702340977.

It is an arithmetic number, because the mean of its divisors is an integer number (3702340977).

Almost surely, 2^7404681953 is an apocalyptic number.

It is an amenable number.

7404681953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7404681953 is an equidigital number, since it uses as much as digits as its factorization.

7404681953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 7404681953 is about 86050.4616663967. The cubic root of 7404681953 is about 1949.1060511698.

The spelling of 7404681953 in words is "seven billion, four hundred four million, six hundred eighty-one thousand, nine hundred fifty-three".