51498198814 has 8 divisors (see below), whose sum is σ = 77254393968. Its totient is φ = 25746734160.

The previous prime is 51498198781. The next prime is 51498198827. The reversal of 51498198814 is 41889189415.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155282 + ... + 1199029.

It is an arithmetic number, because the mean of its divisors is an integer number (9656799246).

Almost surely, 2^51498198814 is an apocalyptic number.

51498198814 is a deficient number, since it is larger than the sum of its proper divisors (25756195154).

51498198814 is a wasteful number, since it uses less digits than its factorization.

51498198814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365250.

The product of its digits is 3317760, while the sum is 58.

The spelling of 51498198814 in words is "fifty-one billion, four hundred ninety-eight million, one hundred ninety-eight thousand, eight hundred fourteen".