27402946249 has 24 divisors (see below), whose sum is σ = 33002562240. Its totient is φ = 22660104096.

The previous prime is 27402946147. The next prime is 27402946261. The reversal of 27402946249 is 94264920472.

It is not a de Polignac number, because 27402946249 - 2⁷ = 27402946121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27403946249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1935454 + ... + 1949560.

It is an arithmetic number, because the mean of its divisors is an integer number (1375106760).

Almost surely, 2^27402946249 is an apocalyptic number.

27402946249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

27402946249 is a deficient number, since it is larger than the sum of its proper divisors (5599615991).

27402946249 is a wasteful number, since it uses less digits than its factorization.

27402946249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517 (or 15510 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 27402946249 in words is "twenty-seven billion, four hundred two million, nine hundred forty-six thousand, two hundred forty-nine".