49341387969557 has 2 divisors, whose sum is σ = 49341387969558. Its totient is φ = 49341387969556.

The previous prime is 49341387969319. The next prime is 49341387969569. The reversal of 49341387969557 is 75596978314394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33009977375761 + 16331410593796 = 5745431^2 + 4041214^2 .

It is a cyclic number.

It is not a de Polignac number, because 49341387969557 - 2¹⁰ = 49341387968533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49341387965557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24670693984778 + 24670693984779.

It is an arithmetic number, because the mean of its divisors is an integer number (24670693984779).

Almost surely, 2^{49341387969557} is an apocalyptic number.

It is an amenable number.

49341387969557 is a deficient number, since it is larger than the sum of its proper divisors (1).

49341387969557 is an equidigital number, since it uses as much as digits as its factorization.

49341387969557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6172588800, while the sum is 80.

The spelling of 49341387969557 in words is "forty-nine trillion, three hundred forty-one billion, three hundred eighty-seven million, nine hundred sixty-nine thousand, five hundred fifty-seven".