2001692481 has 8 divisors (see below), whose sum is σ = 2672033760. Its totient is φ = 1332906432.

The previous prime is 2001692479. The next prime is 2001692513. The reversal of 2001692481 is 1842961002.

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

It is not a de Polignac number, because 2001692481 - 2¹ = 2001692479 is a prime.

It is a super-2 number, since 2×2001692481² = 8013545576983870722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001692401) 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, 385800 + ... + 390953.

It is an arithmetic number, because the mean of its divisors is an integer number (334004220).

Almost surely, 2^2001692481 is an apocalyptic number.

It is an amenable number.

2001692481 is a deficient number, since it is larger than the sum of its proper divisors (670341279).

2001692481 is an equidigital number, since it uses as much as digits as its factorization.

2001692481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777615.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2001692481 is about 44740.2780612727. The cubic root of 2001692481 is about 1260.2763484308.

The spelling of 2001692481 in words is "two billion, one million, six hundred ninety-two thousand, four hundred eighty-one".