1962904561 has 8 divisors (see below), whose sum is σ = 2040794784. Its totient is φ = 1886443680.

The previous prime is 1962904529. The next prime is 1962904613. The reversal of 1962904561 is 1654092691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1962904561 - 2⁵ = 1962904529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1962904511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354535 + ... + 360028.

It is an arithmetic number, because the mean of its divisors is an integer number (255099348).

Almost surely, 2^1962904561 is an apocalyptic number.

It is an amenable number.

1962904561 is a deficient number, since it is larger than the sum of its proper divisors (77890223).

1962904561 is an equidigital number, since it uses as much as digits as its factorization.

1962904561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714671.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1962904561 is about 44304.6787709831. The cubic root of 1962904561 is about 1252.0828338615.

The spelling of 1962904561 in words is "one billion, nine hundred sixty-two million, nine hundred four thousand, five hundred sixty-one".