1935990481 has 12 divisors (see below), whose sum is σ = 2058987600. Its totient is φ = 1819968320.

The previous prime is 1935990473. The next prime is 1935990487. The reversal of 1935990481 is 1840995391.

It is not a de Polignac number, because 1935990481 - 2³ = 1935990473 is a prime.

It is a super-2 number, since 2×1935990481² = 7496118285045222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1935990487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277170 + ... + 284068.

It is an arithmetic number, because the mean of its divisors is an integer number (171582300).

Almost surely, 2^1935990481 is an apocalyptic number.

It is an amenable number.

1935990481 is a deficient number, since it is larger than the sum of its proper divisors (122997119).

1935990481 is an equidigital number, since it uses as much as digits as its factorization.

1935990481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7887 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1935990481 is about 43999.8918294125. The cubic root of 1935990481 is about 1246.3338941930. Note that the first 3 decimals are identical.

The spelling of 1935990481 in words is "one billion, nine hundred thirty-five million, nine hundred ninety thousand, four hundred eighty-one".