42149281401 has 12 divisors (see below), whose sum is σ = 60884397028. Its totient is φ = 28098550944.

The previous prime is 42149281337. The next prime is 42149281423. The reversal of 42149281401 is 10418294124.

42149281401 is a `hidden beast` number, since 4 + 21 + 492 + 8 + 140 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11550875625 + 30598405776 = 107475^2 + 174924^2 .

It is not a de Polignac number, because 42149281401 - 2⁶ = 42149281337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42149281501) 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, 278391 + ... + 402243.

Almost surely, 2^42149281401 is an apocalyptic number.

It is an amenable number.

42149281401 is a deficient number, since it is larger than the sum of its proper divisors (18735115627).

42149281401 is a wasteful number, since it uses less digits than its factorization.

42149281401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161672 (or 161669 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 42149281401 in words is "forty-two billion, one hundred forty-nine million, two hundred eighty-one thousand, four hundred one".