1419453748381 has 4 divisors (see below), whose sum is σ = 1419466723200. Its totient is φ = 1419440773564.

The previous prime is 1419453748367. The next prime is 1419453748397. The reversal of 1419453748381 is 1838473549141.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1419453748381 is a prime.

It is a super-2 number, since 2×1419453748381² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1419459748381) 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, 6321901 + ... + 6542578.

It is an arithmetic number, because the mean of its divisors is an integer number (354866680800).

Almost surely, 2^{1419453748381} is an apocalyptic number.

It is an amenable number.

1419453748381 is a deficient number, since it is larger than the sum of its proper divisors (12974819).

1419453748381 is a wasteful number, since it uses less digits than its factorization.

1419453748381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974818.

The product of its digits is 11612160, while the sum is 58.

The spelling of 1419453748381 in words is "one trillion, four hundred nineteen billion, four hundred fifty-three million, seven hundred forty-eight thousand, three hundred eighty-one".