1264463453 has 16 divisors (see below), whose sum is σ = 1411204032. Its totient is φ = 1123200000.

The previous prime is 1264463407. The next prime is 1264463467. The reversal of 1264463453 is 3543644621.

It is a cyclic number.

It is not a de Polignac number, because 1264463453 - 2¹⁶ = 1264397917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264463153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142013 + ... + 150653.

It is an arithmetic number, because the mean of its divisors is an integer number (88200252).

Almost surely, 2^1264463453 is an apocalyptic number.

It is an amenable number.

1264463453 is a deficient number, since it is larger than the sum of its proper divisors (146740579).

1264463453 is a wasteful number, since it uses less digits than its factorization.

1264463453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its digits is 207360, while the sum is 38.

The square root of 1264463453 is about 35559.2948889598. The cubic root of 1264463453 is about 1081.3561647101.

The spelling of 1264463453 in words is "one billion, two hundred sixty-four million, four hundred sixty-three thousand, four hundred fifty-three".