1453981043 has 2 divisors, whose sum is σ = 1453981044. Its totient is φ = 1453981042.

The previous prime is 1453981031. The next prime is 1453981079. The reversal of 1453981043 is 3401893541.

It is a weak prime.

It is an emirp because it is prime and its reverse (3401893541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1453981043 - 2¹⁰ = 1453980019 is a prime.

It is a super-2 number, since 2×1453981043² = 4228121746806735698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453980988 and 1453981006.

It is not a weakly prime, because it can be changed into another prime (1453981013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726990521 + 726990522.

It is an arithmetic number, because the mean of its divisors is an integer number (726990522).

Almost surely, 2^1453981043 is an apocalyptic number.

1453981043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453981043 is an equidigital number, since it uses as much as digits as its factorization.

1453981043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1453981043 is about 38131.1033540861. The cubic root of 1453981043 is about 1132.8860995940.

The spelling of 1453981043 in words is "one billion, four hundred fifty-three million, nine hundred eighty-one thousand, forty-three".