51234662450 has 12 divisors (see below), whose sum is σ = 95296472250. Its totient is φ = 20493864960.

The previous prime is 51234662429. The next prime is 51234662489. The reversal of 51234662450 is 5426643215.

It can be written as a sum of positive squares in 3 ways, for example, as 27948818041 + 23285844409 = 167179^2 + 152597^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512346575 + ... + 512346674.

Almost surely, 2^51234662450 is an apocalyptic number.

51234662450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51234662450 is a deficient number, since it is larger than the sum of its proper divisors (44061809800).

51234662450 is a wasteful number, since it uses less digits than its factorization.

51234662450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024693261 (or 1024693256 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 51234662450 in words is "fifty-one billion, two hundred thirty-four million, six hundred sixty-two thousand, four hundred fifty".