75904217969 has 4 divisors (see below), whose sum is σ = 76285646400. Its totient is φ = 75522789540.

The previous prime is 75904217891. The next prime is 75904217981. The reversal of 75904217969 is 96971240957.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96971240957 = 31 ⋅3128104547.

It is a cyclic number.

It is not a de Polignac number, because 75904217969 - 2¹² = 75904213873 is a prime.

It is a super-2 number, since 2×75904217969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75904217069) 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, 190713917 + ... + 190714314.

It is an arithmetic number, because the mean of its divisors is an integer number (19071411600).

Almost surely, 2^75904217969 is an apocalyptic number.

It is an amenable number.

75904217969 is a deficient number, since it is larger than the sum of its proper divisors (381428431).

75904217969 is a wasteful number, since it uses less digits than its factorization.

75904217969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381428430.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 75904217969 in words is "seventy-five billion, nine hundred four million, two hundred seventeen thousand, nine hundred sixty-nine".