51352516646098 has 4 divisors (see below), whose sum is σ = 77028774969150. Its totient is φ = 25676258323048.

The previous prime is 51352516646021. The next prime is 51352516646099. The reversal of 51352516646098 is 89064661525315.

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

It can be written as a sum of positive squares in only one way, i.e., 34427051646849 + 16925464999249 = 5867457^2 + 4114057^2 .

It is not an unprimeable number, because it can be changed into a prime (51352516646099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12838129161523 + ... + 12838129161526.

Almost surely, 2^{51352516646098} is an apocalyptic number.

51352516646098 is a deficient number, since it is larger than the sum of its proper divisors (25676258323052).

51352516646098 is a wasteful number, since it uses less digits than its factorization.

51352516646098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25676258323051.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 51352516646098 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred forty-six thousand, ninety-eight".