7458638141 has 2 divisors, whose sum is σ = 7458638142. Its totient is φ = 7458638140.

The previous prime is 7458638129. The next prime is 7458638171. The reversal of 7458638141 is 1418368547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5066450041 + 2392188100 = 71179^2 + 48910^2 .

It is an emirp because it is prime and its reverse (1418368547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7458638141 - 2¹⁴ = 7458621757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7458638171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3729319070 + 3729319071.

It is an arithmetic number, because the mean of its divisors is an integer number (3729319071).

Almost surely, 2^7458638141 is an apocalyptic number.

It is an amenable number.

7458638141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7458638141 is an equidigital number, since it uses as much as digits as its factorization.

7458638141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 7458638141 is about 86363.4074188831. The cubic root of 7458638141 is about 1953.8288252848.

The spelling of 7458638141 in words is "seven billion, four hundred fifty-eight million, six hundred thirty-eight thousand, one hundred forty-one".