51436166458363 has 4 divisors (see below), whose sum is σ = 51811612929000. Its totient is φ = 51060719987728.

The previous prime is 51436166458349. The next prime is 51436166458393. The reversal of 51436166458363 is 36385466163415.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51436166458363 - 2³⁷ = 51298727504891 is a prime.

It is a super-2 number, since 2×51436166458363² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51436166458393) 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, 187723235113 + ... + 187723235386.

It is an arithmetic number, because the mean of its divisors is an integer number (12952903232250).

Almost surely, 2^{51436166458363} is an apocalyptic number.

51436166458363 is a deficient number, since it is larger than the sum of its proper divisors (375446470637).

51436166458363 is a wasteful number, since it uses less digits than its factorization.

51436166458363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375446470636.

The product of its digits is 111974400, while the sum is 61.

The spelling of 51436166458363 in words is "fifty-one trillion, four hundred thirty-six billion, one hundred sixty-six million, four hundred fifty-eight thousand, three hundred sixty-three".