7381850761 has 2 divisors, whose sum is σ = 7381850762. Its totient is φ = 7381850760.

The previous prime is 7381850753. The next prime is 7381850783. The reversal of 7381850761 is 1670581837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6432040000 + 949810761 = 80200^2 + 30819^2 .

It is a cyclic number.

It is not a de Polignac number, because 7381850761 - 2³ = 7381850753 is a prime.

It is not a weakly prime, because it can be changed into another prime (7381850701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690925380 + 3690925381.

It is an arithmetic number, because the mean of its divisors is an integer number (3690925381).

Almost surely, 2^7381850761 is an apocalyptic number.

It is an amenable number.

7381850761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7381850761 is an equidigital number, since it uses as much as digits as its factorization.

7381850761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 7381850761 is about 85917.6976006690. The cubic root of 7381850761 is about 1947.1007330036.

The spelling of 7381850761 in words is "seven billion, three hundred eighty-one million, eight hundred fifty thousand, seven hundred sixty-one".