5142637477 has 2 divisors, whose sum is σ = 5142637478. Its totient is φ = 5142637476.

The previous prime is 5142637471. The next prime is 5142637519. The reversal of 5142637477 is 7747362415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3917007396 + 1225630081 = 62586^2 + 35009^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142637477 - 2³ = 5142637469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142637471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571318738 + 2571318739.

It is an arithmetic number, because the mean of its divisors is an integer number (2571318739).

Almost surely, 2^5142637477 is an apocalyptic number.

It is an amenable number.

5142637477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142637477 is an equidigital number, since it uses as much as digits as its factorization.

5142637477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 46.

The square root of 5142637477 is about 71712.1849966936. The cubic root of 5142637477 is about 1726.0841719954.

The spelling of 5142637477 in words is "five billion, one hundred forty-two million, six hundred thirty-seven thousand, four hundred seventy-seven".