1963042090 has 16 divisors (see below), whose sum is σ = 3600146088. Its totient is φ = 770401216.

The previous prime is 1963042079. The next prime is 1963042097. The reversal of 1963042090 is 902403691.

It can be written as a sum of positive squares in 4 ways, for example, as 1202771761 + 760270329 = 34681^2 + 27573^2 .

It is a super-2 number, since 2×1963042090² = 7707068494223136200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1963042097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851397 + ... + 1852456.

Almost surely, 2^1963042090 is an apocalyptic number.

1963042090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1963042090 is a deficient number, since it is larger than the sum of its proper divisors (1637103998).

1963042090 is a wasteful number, since it uses less digits than its factorization.

1963042090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703913.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1963042090 is about 44306.2308259233. The cubic root of 1963042090 is about 1252.1120751675.

The spelling of 1963042090 in words is "one billion, nine hundred sixty-three million, forty-two thousand, ninety".