51292909773 has 64 divisors (see below), whose sum is σ = 88935168000. Its totient is φ = 29205172080.

The previous prime is 51292909771. The next prime is 51292909793. The reversal of 51292909773 is 37790929215.

It is not a de Polignac number, because 51292909773 - 2¹ = 51292909771 is a prime.

It is a super-2 number, since 2×51292909773² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51292909771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2611078 + ... + 2630648.

It is an arithmetic number, because the mean of its divisors is an integer number (1389612000).

Almost surely, 2^51292909773 is an apocalyptic number.

It is an amenable number.

51292909773 is a deficient number, since it is larger than the sum of its proper divisors (37642258227).

51292909773 is a wasteful number, since it uses less digits than its factorization.

51292909773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884 (or 19864 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 51292909773 in words is "fifty-one billion, two hundred ninety-two million, nine hundred nine thousand, seven hundred seventy-three".