51860669453 has 8 divisors (see below), whose sum is σ = 53052537600. Its totient is φ = 50672486800.

The previous prime is 51860669437. The next prime is 51860669479. The reversal of 51860669453 is 35496606815.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51860669453 - 2⁴ = 51860669437 is a prime.

It is a super-2 number, since 2×51860669453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51860669395 and 51860669404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51860669153) 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, 892898 + ... + 949203.

It is an arithmetic number, because the mean of its divisors is an integer number (6631567200).

Almost surely, 2^51860669453 is an apocalyptic number.

It is an amenable number.

51860669453 is a deficient number, since it is larger than the sum of its proper divisors (1191868147).

51860669453 is a wasteful number, since it uses less digits than its factorization.

51860669453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842747.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 51860669453 in words is "fifty-one billion, eight hundred sixty million, six hundred sixty-nine thousand, four hundred fifty-three".