1051768263 has 16 divisors (see below), whose sum is σ = 1725979136. Its totient is φ = 554778720.

The previous prime is 1051768243. The next prime is 1051768301. The reversal of 1051768263 is 3628671501.

It is not a de Polignac number, because 1051768263 - 2⁵ = 1051768231 is a prime.

It is a super-2 number, since 2×1051768263² = 2212432958108074338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051768213) 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, 1926043 + ... + 1926588.

It is an arithmetic number, because the mean of its divisors is an integer number (107873696).

Almost surely, 2^1051768263 is an apocalyptic number.

1051768263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1051768263 is a deficient number, since it is larger than the sum of its proper divisors (674210873).

1051768263 is a wasteful number, since it uses less digits than its factorization.

1051768263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852654.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1051768263 is about 32430.9769048051. The cubic root of 1051768263 is about 1016.9665943127.

The spelling of 1051768263 in words is "one billion, fifty-one million, seven hundred sixty-eight thousand, two hundred sixty-three".