75845150049 has 4 divisors (see below), whose sum is σ = 101126866736. Its totient is φ = 50563433364.

The previous prime is 75845150027. The next prime is 75845150071. The reversal of 75845150049 is 94005154857.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (75845150027) and next prime (75845150071).

It is not a de Polignac number, because 75845150049 - 2³¹ = 73697666401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75845150009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12640858339 + ... + 12640858344.

It is an arithmetic number, because the mean of its divisors is an integer number (25281716684).

Almost surely, 2^75845150049 is an apocalyptic number.

It is an amenable number.

75845150049 is a deficient number, since it is larger than the sum of its proper divisors (25281716687).

75845150049 is a wasteful number, since it uses less digits than its factorization.

75845150049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25281716686.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 75845150049 in words is "seventy-five billion, eight hundred forty-five million, one hundred fifty thousand, forty-nine".