74486604469 has 4 divisors (see below), whose sum is σ = 75429472960. Its totient is φ = 73543735980.

The previous prime is 74486604463. The next prime is 74486604547. The reversal of 74486604469 is 96440668447.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74486604469 is a prime.

It is a super-2 number, since 2×74486604469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74486604463) 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, 471434127 + ... + 471434284.

It is an arithmetic number, because the mean of its divisors is an integer number (18857368240).

Almost surely, 2^74486604469 is an apocalyptic number.

74486604469 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

74486604469 is a deficient number, since it is larger than the sum of its proper divisors (942868491).

74486604469 is an equidigital number, since it uses as much as digits as its factorization.

74486604469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942868490.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 74486604469 in words is "seventy-four billion, four hundred eighty-six million, six hundred four thousand, four hundred sixty-nine".