1295693264 has 10 divisors (see below), whose sum is σ = 2510405730. Its totient is φ = 647846624.

The previous prime is 1295693263. The next prime is 1295693309. The reversal of 1295693264 is 4623965921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 883278400 + 412414864 = 29720^2 + 20308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295693263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40490399 + ... + 40490430.

It is an arithmetic number, because the mean of its divisors is an integer number (251040573).

Almost surely, 2^1295693264 is an apocalyptic number.

It is an amenable number.

1295693264 is a deficient number, since it is larger than the sum of its proper divisors (1214712466).

1295693264 is an equidigital number, since it uses as much as digits as its factorization.

1295693264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980837 (or 80980831 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 1295693264 is about 35995.7395256716. The cubic root of 1295693264 is about 1090.1863340510.

The spelling of 1295693264 in words is "one billion, two hundred ninety-five million, six hundred ninety-three thousand, two hundred sixty-four".