1264453697 has 16 divisors (see below), whose sum is σ = 1398458880. Its totient is φ = 1136116800.

The previous prime is 1264453691. The next prime is 1264453703. The reversal of 1264453697 is 7963544621.

It is an interprime number because it is at equal distance from previous prime (1264453691) and next prime (1264453703).

It is a de Polignac number, because none of the positive numbers 2^k-1264453697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264453691) 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, 64247 + ... + 81587.

It is an arithmetic number, because the mean of its divisors is an integer number (87403680).

Almost surely, 2^1264453697 is an apocalyptic number.

It is an amenable number.

1264453697 is a deficient number, since it is larger than the sum of its proper divisors (134005183).

1264453697 is a wasteful number, since it uses less digits than its factorization.

1264453697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504.

The product of its digits is 1088640, while the sum is 47.

The square root of 1264453697 is about 35559.1577093721. The cubic root of 1264453697 is about 1081.3533836260.

The spelling of 1264453697 in words is "one billion, two hundred sixty-four million, four hundred fifty-three thousand, six hundred ninety-seven".