1945853098 has 16 divisors (see below), whose sum is σ = 3347542080. Its totient is φ = 830988576.

The previous prime is 1945853089. The next prime is 1945853123. The reversal of 1945853098 is 8903585491.

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, 241603 + ... + 249526.

It is an arithmetic number, because the mean of its divisors is an integer number (209221380).

Almost surely, 2^1945853098 is an apocalyptic number.

1945853098 is a deficient number, since it is larger than the sum of its proper divisors (1401688982).

1945853098 is a wasteful number, since it uses less digits than its factorization.

1945853098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491421.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 1945853098 is about 44111.8249225760. The cubic root of 1945853098 is about 1248.4467315919.

The spelling of 1945853098 in words is "one billion, nine hundred forty-five million, eight hundred fifty-three thousand, ninety-eight".