1053691898 has 16 divisors (see below), whose sum is σ = 1808810880. Its totient is φ = 450961776.

The previous prime is 1053691853. The next prime is 1053691927. The reversal of 1053691898 is 8981963501.

It is a happy number.

It is a super-2 number, since 2×1053691898² = 2220533231821684808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41078 + ... + 61601.

It is an arithmetic number, because the mean of its divisors is an integer number (113050680).

Almost surely, 2^1053691898 is an apocalyptic number.

1053691898 is a deficient number, since it is larger than the sum of its proper divisors (755118982).

1053691898 is a wasteful number, since it uses less digits than its factorization.

1053691898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103421.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 1053691898 is about 32460.6207272751. The cubic root of 1053691898 is about 1017.5862115073.

The spelling of 1053691898 in words is "one billion, fifty-three million, six hundred ninety-one thousand, eight hundred ninety-eight".