1264526363 has 16 divisors (see below), whose sum is σ = 1328735232. Its totient is φ = 1201980000.

The previous prime is 1264526359. The next prime is 1264526423. The reversal of 1264526363 is 3636254621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1264526363 - 2² = 1264526359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264526563) 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, 408620 + ... + 411702.

It is an arithmetic number, because the mean of its divisors is an integer number (83045952).

Almost surely, 2^1264526363 is an apocalyptic number.

1264526363 is a deficient number, since it is larger than the sum of its proper divisors (64208869).

1264526363 is a wasteful number, since it uses less digits than its factorization.

1264526363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its digits is 155520, while the sum is 38.

The square root of 1264526363 is about 35560.1794568025. The cubic root of 1264526363 is about 1081.3740977415.

The spelling of 1264526363 in words is "one billion, two hundred sixty-four million, five hundred twenty-six thousand, three hundred sixty-three".