1419369681 has 4 divisors (see below), whose sum is σ = 1892492912. Its totient is φ = 946246452.

The previous prime is 1419369641. The next prime is 1419369683. The reversal of 1419369681 is 1869639141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1419369681 - 2¹¹ = 1419367633 is a prime.

It is a super-2 number, since 2×1419369681² = 4029220582684083522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1419369681.

It is not an unprimeable number, because it can be changed into a prime (1419369683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236561611 + ... + 236561616.

It is an arithmetic number, because the mean of its divisors is an integer number (473123228).

Almost surely, 2^1419369681 is an apocalyptic number.

It is an amenable number.

1419369681 is a deficient number, since it is larger than the sum of its proper divisors (473123231).

1419369681 is an equidigital number, since it uses as much as digits as its factorization.

1419369681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473123230.

The product of its digits is 279936, while the sum is 48.

The square root of 1419369681 is about 37674.5229697736. The cubic root of 1419369681 is about 1123.8245318323.

The spelling of 1419369681 in words is "one billion, four hundred nineteen million, three hundred sixty-nine thousand, six hundred eighty-one".