1395659453 has 2 divisors, whose sum is σ = 1395659454. Its totient is φ = 1395659452.

The previous prime is 1395659431. The next prime is 1395659467. The reversal of 1395659453 is 3549565931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373962489 + 21696964 = 37067^2 + 4658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395659453 - 2¹² = 1395655357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395659413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697829726 + 697829727.

It is an arithmetic number, because the mean of its divisors is an integer number (697829727).

Almost surely, 2^1395659453 is an apocalyptic number.

It is an amenable number.

1395659453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395659453 is an equidigital number, since it uses as much as digits as its factorization.

1395659453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187000, while the sum is 50.

The square root of 1395659453 is about 37358.5258408305. The cubic root of 1395659453 is about 1117.5316209374.

The spelling of 1395659453 in words is "one billion, three hundred ninety-five million, six hundred fifty-nine thousand, four hundred fifty-three".