74694291469 has 4 divisors (see below), whose sum is σ = 85364904544. Its totient is φ = 64023678396.

The previous prime is 74694291439. The next prime is 74694291473. The reversal of 74694291469 is 96419249647.

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 not a de Polignac number, because 74694291469 - 2³¹ = 72546807821 is a prime.

It is a super-2 number, since 2×74694291469² (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 (74694291439) 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, 5335306527 + ... + 5335306540.

It is an arithmetic number, because the mean of its divisors is an integer number (21341226136).

Almost surely, 2^74694291469 is an apocalyptic number.

It is an amenable number.

74694291469 is a deficient number, since it is larger than the sum of its proper divisors (10670613075).

74694291469 is a wasteful number, since it uses less digits than its factorization.

74694291469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670613074.

The product of its digits is 23514624, while the sum is 61.

The spelling of 74694291469 in words is "seventy-four billion, six hundred ninety-four million, two hundred ninety-one thousand, four hundred sixty-nine".