6147502461557 has 2 divisors, whose sum is σ = 6147502461558. Its totient is φ = 6147502461556.

The previous prime is 6147502461553. The next prime is 6147502461689. The reversal of 6147502461557 is 7551642057416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6103315899121 + 44186562436 = 2470489^2 + 210206^2 .

It is a cyclic number.

It is not a de Polignac number, because 6147502461557 - 2² = 6147502461553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6147502461499 and 6147502461508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6147502461553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073751230778 + 3073751230779.

It is an arithmetic number, because the mean of its divisors is an integer number (3073751230779).

Almost surely, 2^{6147502461557} is an apocalyptic number.

It is an amenable number.

6147502461557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6147502461557 is an equidigital number, since it uses as much as digits as its factorization.

6147502461557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 6147502461557 in words is "six trillion, one hundred forty-seven billion, five hundred two million, four hundred sixty-one thousand, five hundred fifty-seven".