401991483 has 4 divisors (see below), whose sum is σ = 535988648. Its totient is φ = 267994320.

The previous prime is 401991479. The next prime is 401991497. The reversal of 401991483 is 384199104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401991483 - 2² = 401991479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401991883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66998578 + ... + 66998583.

It is an arithmetic number, because the mean of its divisors is an integer number (133997162).

Almost surely, 2^401991483 is an apocalyptic number.

401991483 is a deficient number, since it is larger than the sum of its proper divisors (133997165).

401991483 is a wasteful number, since it uses less digits than its factorization.

401991483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133997164.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 401991483 is about 20049.7252599630. The cubic root of 401991483 is about 738.0270570496.

The spelling of 401991483 in words is "four hundred one million, nine hundred ninety-one thousand, four hundred eighty-three".