51234349692 has 48 divisors (see below), whose sum is σ = 128654078112. Its totient is φ = 15810017280.

The previous prime is 51234349651. The next prime is 51234349693. The reversal of 51234349692 is 29694343215.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234349693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046153 + ... + 2071040.

It is an arithmetic number, because the mean of its divisors is an integer number (2680293294).

Almost surely, 2^51234349692 is an apocalyptic number.

It is an amenable number.

51234349692 is an abundant number, since it is smaller than the sum of its proper divisors (77419728420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51234349692 is a wasteful number, since it uses less digits than its factorization.

51234349692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117278 (or 4117276 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The spelling of 51234349692 in words is "fifty-one billion, two hundred thirty-four million, three hundred forty-nine thousand, six hundred ninety-two".