1455424215493 has 2 divisors, whose sum is σ = 1455424215494. Its totient is φ = 1455424215492.

The previous prime is 1455424215383. The next prime is 1455424215517. The reversal of 1455424215493 is 3945124245541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118691213124 + 336733002369 = 1057682^2 + 580287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455424215493 - 2²¹ = 1455422118341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455424215893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727712107746 + 727712107747.

It is an arithmetic number, because the mean of its divisors is an integer number (727712107747).

Almost surely, 2^{1455424215493} is an apocalyptic number.

It is an amenable number.

1455424215493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455424215493 is an equidigital number, since it uses as much as digits as its factorization.

1455424215493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456000, while the sum is 49.

The spelling of 1455424215493 in words is "one trillion, four hundred fifty-five billion, four hundred twenty-four million, two hundred fifteen thousand, four hundred ninety-three".