1492484869 has 2 divisors, whose sum is σ = 1492484870. Its totient is φ = 1492484868.

The previous prime is 1492484783. The next prime is 1492484897. The reversal of 1492484869 is 9684842941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974376225 + 518108644 = 31215^2 + 22762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492484869 - 2¹⁹ = 1491960581 is a prime.

It is a super-2 number, since 2×1492484869² = 4455022168387894322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492484069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746242434 + 746242435.

It is an arithmetic number, because the mean of its divisors is an integer number (746242435).

Almost surely, 2^1492484869 is an apocalyptic number.

It is an amenable number.

1492484869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492484869 is an equidigital number, since it uses as much as digits as its factorization.

1492484869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 55.

The square root of 1492484869 is about 38632.6917131074. The cubic root of 1492484869 is about 1142.7993349235.

The spelling of 1492484869 in words is "one billion, four hundred ninety-two million, four hundred eighty-four thousand, eight hundred sixty-nine".