51385354270 has 64 divisors (see below), whose sum is σ = 99789511680. Its totient is φ = 18989762688.

The previous prime is 51385354247. The next prime is 51385354271. The reversal of 51385354270 is 7245358315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51385354271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2517024 + ... + 2537356.

It is an arithmetic number, because the mean of its divisors is an integer number (1559211120).

Almost surely, 2^51385354270 is an apocalyptic number.

51385354270 is a deficient number, since it is larger than the sum of its proper divisors (48404157410).

51385354270 is a wasteful number, since it uses less digits than its factorization.

51385354270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 51385354270 in words is "fifty-one billion, three hundred eighty-five million, three hundred fifty-four thousand, two hundred seventy".