263153053427 has 4 divisors (see below), whose sum is σ = 287076058296. Its totient is φ = 239230048560.

The previous prime is 263153053421. The next prime is 263153053451. The reversal of 263153053427 is 724350351362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 263153053427 - 2²² = 263148859123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263153053421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11961502418 + ... + 11961502439.

It is an arithmetic number, because the mean of its divisors is an integer number (71769014574).

Almost surely, 2^263153053427 is an apocalyptic number.

263153053427 is a deficient number, since it is larger than the sum of its proper divisors (23923004869).

263153053427 is a wasteful number, since it uses less digits than its factorization.

263153053427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23923004868.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 263153053427 in words is "two hundred sixty-three billion, one hundred fifty-three million, fifty-three thousand, four hundred twenty-seven".