49146612517 has 2 divisors, whose sum is σ = 49146612518. Its totient is φ = 49146612516.

The previous prime is 49146612479. The next prime is 49146612539. The reversal of 49146612517 is 71521664194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27662675041 + 21483937476 = 166321^2 + 146574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49146612517 is a prime.

It is a super-2 number, since 2×49146612517² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49146612917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24573306258 + 24573306259.

It is an arithmetic number, because the mean of its divisors is an integer number (24573306259).

Almost surely, 2^49146612517 is an apocalyptic number.

It is an amenable number.

49146612517 is a deficient number, since it is larger than the sum of its proper divisors (1).

49146612517 is an equidigital number, since it uses as much as digits as its factorization.

49146612517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 49146612517 in words is "forty-nine billion, one hundred forty-six million, six hundred twelve thousand, five hundred seventeen".