75151315409 has 2 divisors, whose sum is σ = 75151315410. Its totient is φ = 75151315408.

The previous prime is 75151315271. The next prime is 75151315439. The reversal of 75151315409 is 90451315157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40681679809 + 34469635600 = 201697^2 + 185660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75151315409 is a prime.

It is not a weakly prime, because it can be changed into another prime (75151315439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37575657704 + 37575657705.

It is an arithmetic number, because the mean of its divisors is an integer number (37575657705).

Almost surely, 2^75151315409 is an apocalyptic number.

It is an amenable number.

75151315409 is a deficient number, since it is larger than the sum of its proper divisors (1).

75151315409 is an equidigital number, since it uses as much as digits as its factorization.

75151315409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 75151315409 in words is "seventy-five billion, one hundred fifty-one million, three hundred fifteen thousand, four hundred nine".