513954022079 has 2 divisors, whose sum is σ = 513954022080. Its totient is φ = 513954022078.

The previous prime is 513954022037. The next prime is 513954022151. The reversal of 513954022079 is 970220459315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513954022079 is a prime.

It is a super-2 number, since 2×513954022079² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513954022579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256977011039 + 256977011040.

It is an arithmetic number, because the mean of its divisors is an integer number (256977011040).

Almost surely, 2^513954022079 is an apocalyptic number.

513954022079 is a deficient number, since it is larger than the sum of its proper divisors (1).

513954022079 is an equidigital number, since it uses as much as digits as its factorization.

513954022079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 513954022079 in words is "five hundred thirteen billion, nine hundred fifty-four million, twenty-two thousand, seventy-nine".