27492019961 has 8 divisors (see below), whose sum is σ = 33073106880. Its totient is φ = 22324346928.

The previous prime is 27492019927. The next prime is 27492020009. The reversal of 27492019961 is 16991029472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27492019961 is a prime.

It is a super-2 number, since 2×27492019961² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27492019861) 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, 103353326 + ... + 103353591.

It is an arithmetic number, because the mean of its divisors is an integer number (4134138360).

Almost surely, 2^27492019961 is an apocalyptic number.

It is an amenable number.

27492019961 is a deficient number, since it is larger than the sum of its proper divisors (5581086919).

27492019961 is a wasteful number, since it uses less digits than its factorization.

27492019961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206706943.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 27492019961 in words is "twenty-seven billion, four hundred ninety-two million, nineteen thousand, nine hundred sixty-one".