53705740669 has 32 divisors (see below), whose sum is σ = 65193984000. Its totient is φ = 43244640384.

The previous prime is 53705740663. The next prime is 53705740691. The reversal of 53705740669 is 96604750735.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53705740669 - 2¹¹ = 53705738621 is a prime.

It is a super-2 number, since 2×53705740669² (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 (53705740663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13667097 + ... + 13671025.

It is an arithmetic number, because the mean of its divisors is an integer number (2037312000).

Almost surely, 2^53705740669 is an apocalyptic number.

53705740669 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

53705740669 is a deficient number, since it is larger than the sum of its proper divisors (11488243331).

53705740669 is a wasteful number, since it uses less digits than its factorization.

53705740669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 53705740669 in words is "fifty-three billion, seven hundred five million, seven hundred forty thousand, six hundred sixty-nine".