57493747669 has 8 divisors (see below), whose sum is σ = 62170962048. Its totient is φ = 52960447680.

The previous prime is 57493747643. The next prime is 57493747681. The reversal of 57493747669 is 96674739475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57493747669 is a prime.

It is a super-2 number, since 2×57493747669² (a number of 22 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 (57493747369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35977767 + ... + 35979364.

It is an arithmetic number, because the mean of its divisors is an integer number (7771370256).

Almost surely, 2^57493747669 is an apocalyptic number.

It is an amenable number.

57493747669 is a deficient number, since it is larger than the sum of its proper divisors (4677214379).

57493747669 is a wasteful number, since it uses less digits than its factorization.

57493747669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71957195.

The product of its digits is 240045120, while the sum is 67.

The spelling of 57493747669 in words is "fifty-seven billion, four hundred ninety-three million, seven hundred forty-seven thousand, six hundred sixty-nine".