42954827949 has 12 divisors (see below), whose sum is σ = 67686395712. Its totient is φ = 26033229000.

The previous prime is 42954827887. The next prime is 42954827957. The reversal of 42954827949 is 94972845924.

42954827949 is a `hidden beast` number, since 4 + 29 + 548 + 27 + 9 + 49 = 666.

It is not a de Polignac number, because 42954827949 - 2¹² = 42954823853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42954827549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216943477 + ... + 216943674.

It is an arithmetic number, because the mean of its divisors is an integer number (5640532976).

Almost surely, 2^42954827949 is an apocalyptic number.

It is an amenable number.

42954827949 is a deficient number, since it is larger than the sum of its proper divisors (24731567763).

42954827949 is a wasteful number, since it uses less digits than its factorization.

42954827949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433887168 (or 433887165 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 42954827949 in words is "forty-two billion, nine hundred fifty-four million, eight hundred twenty-seven thousand, nine hundred forty-nine".