1420453269 has 24 divisors (see below), whose sum is σ = 2064965760. Its totient is φ = 940898592.

The previous prime is 1420453267. The next prime is 1420453303. The reversal of 1420453269 is 9623540241.

It is a happy number.

1420453269 is a `hidden beast` number, since 142 + 0 + 453 + 2 + 69 = 666.

It is not a de Polignac number, because 1420453269 - 2¹ = 1420453267 is a prime.

It is a super-2 number, since 2×1420453269² = 4035374978825572722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420453267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545192 + ... + 1546110.

It is an arithmetic number, because the mean of its divisors is an integer number (86040240).

Almost surely, 2^1420453269 is an apocalyptic number.

It is an amenable number.

1420453269 is a deficient number, since it is larger than the sum of its proper divisors (644512491).

1420453269 is a wasteful number, since it uses less digits than its factorization.

1420453269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1420453269 is about 37688.9011381335. The cubic root of 1420453269 is about 1124.1104458388.

The spelling of 1420453269 in words is "one billion, four hundred twenty million, four hundred fifty-three thousand, two hundred sixty-nine".