1090769263 has 4 divisors (see below), whose sum is σ = 1091400408. Its totient is φ = 1090138120.

The previous prime is 1090769209. The next prime is 1090769269. The reversal of 1090769263 is 3629670901.

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 1090769263 - 2²¹ = 1088672111 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 (1090769269) 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, 312973 + ... + 316438.

It is an arithmetic number, because the mean of its divisors is an integer number (272850102).

Almost surely, 2^1090769263 is an apocalyptic number.

1090769263 is a deficient number, since it is larger than the sum of its proper divisors (631145).

1090769263 is an equidigital number, since it uses as much as digits as its factorization.

1090769263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631144.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1090769263 is about 33026.7961358652. The cubic root of 1090769263 is about 1029.3845139881.

The spelling of 1090769263 in words is "one billion, ninety million, seven hundred sixty-nine thousand, two hundred sixty-three".