1059681699 has 24 divisors (see below), whose sum is σ = 1618307600. Its totient is φ = 666325440.

The previous prime is 1059681683. The next prime is 1059681769. The reversal of 1059681699 is 9961869501.

It is not a de Polignac number, because 1059681699 - 2⁴ = 1059681683 is a prime.

It is a super-2 number, since 2×1059681699² = 2245850606391053202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1059681619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25629 + ... + 52689.

Almost surely, 2^1059681699 is an apocalyptic number.

1059681699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1059681699 is a deficient number, since it is larger than the sum of its proper divisors (558625901).

1059681699 is a wasteful number, since it uses less digits than its factorization.

1059681699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27315 (or 27312 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 1059681699 is about 32552.7525564275. The cubic root of 1059681699 is about 1019.5107544123.

The spelling of 1059681699 in words is "one billion, fifty-nine million, six hundred eighty-one thousand, six hundred ninety-nine".