210427057749 has 8 divisors (see below), whose sum is σ = 288152367520. Its totient is φ = 136493226576.

The previous prime is 210427057741. The next prime is 210427057781. The reversal of 210427057749 is 947750724012.

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

It is not a de Polignac number, because 210427057749 - 2³ = 210427057741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210427057698 and 210427057707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210427057741) 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, 947869519 + ... + 947869740.

It is an arithmetic number, because the mean of its divisors is an integer number (36019045940).

Almost surely, 2^210427057749 is an apocalyptic number.

It is an amenable number.

210427057749 is a deficient number, since it is larger than the sum of its proper divisors (77725309771).

210427057749 is a wasteful number, since it uses less digits than its factorization.

210427057749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895739299.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 210427057749 in words is "two hundred ten billion, four hundred twenty-seven million, fifty-seven thousand, seven hundred forty-nine".