1541469493 has 2 divisors, whose sum is σ = 1541469494. Its totient is φ = 1541469492.

The previous prime is 1541469491. The next prime is 1541469541. The reversal of 1541469493 is 3949641451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1536483204 + 4986289 = 39198^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541469493 - 2¹ = 1541469491 is a prime.

It is a super-2 number, since 2×1541469493² = 4752256395699354098, which contains 22 as substring.

Together with 1541469491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541469491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770734746 + 770734747.

It is an arithmetic number, because the mean of its divisors is an integer number (770734747).

Almost surely, 2^1541469493 is an apocalyptic number.

It is an amenable number.

1541469493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541469493 is an equidigital number, since it uses as much as digits as its factorization.

1541469493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 1541469493 is about 39261.5523508687. The cubic root of 1541469493 is about 1155.1675432695.

The spelling of 1541469493 in words is "one billion, five hundred forty-one million, four hundred sixty-nine thousand, four hundred ninety-three".