1541361469 has 2 divisors, whose sum is σ = 1541361470. Its totient is φ = 1541361468.

The previous prime is 1541361461. The next prime is 1541361487. The reversal of 1541361469 is 9641631451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350562500 + 190798969 = 36750^2 + 13813^2 .

It is an emirp because it is prime and its reverse (9641631451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541361469 - 2³ = 1541361461 is a prime.

It is a super-2 number, since 2×1541361469² = 4751590356235675922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541361461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770680734 + 770680735.

It is an arithmetic number, because the mean of its divisors is an integer number (770680735).

Almost surely, 2^1541361469 is an apocalyptic number.

It is an amenable number.

1541361469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541361469 is an equidigital number, since it uses as much as digits as its factorization.

1541361469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 1541361469 is about 39260.1766297606. The cubic root of 1541361469 is about 1155.1405584704.

The spelling of 1541361469 in words is "one billion, five hundred forty-one million, three hundred sixty-one thousand, four hundred sixty-nine".