1421352453 has 16 divisors (see below), whose sum is σ = 1948568832. Its totient is φ = 921024000.

The previous prime is 1421352451. The next prime is 1421352461. The reversal of 1421352453 is 3542531241.

It is not a de Polignac number, because 1421352453 - 2¹ = 1421352451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421352453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421352451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12013 + ... + 54653.

It is an arithmetic number, because the mean of its divisors is an integer number (121785552).

Almost surely, 2^1421352453 is an apocalyptic number.

It is an amenable number.

1421352453 is a deficient number, since it is larger than the sum of its proper divisors (527216379).

1421352453 is a wasteful number, since it uses less digits than its factorization.

1421352453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42956.

The product of its digits is 14400, while the sum is 30.

The square root of 1421352453 is about 37700.8282800259. The cubic root of 1421352453 is about 1124.3475928914.

Adding to 1421352453 its reverse (3542531241), we get a palindrome (4963883694).

It can be divided in two parts, 14213 and 52453, that added together give a palindrome (66666).

The spelling of 1421352453 in words is "one billion, four hundred twenty-one million, three hundred fifty-two thousand, four hundred fifty-three".