10280389949 has 8 divisors (see below), whose sum is σ = 10611302400. Its totient is φ = 9952270416.

The previous prime is 10280389937. The next prime is 10280389969. The reversal of 10280389949 is 94998308201.

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-10280389949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10280389949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10280389909) 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, 690749 + ... + 705474.

It is an arithmetic number, because the mean of its divisors is an integer number (1326412800).

Almost surely, 2^10280389949 is an apocalyptic number.

It is an amenable number.

10280389949 is a deficient number, since it is larger than the sum of its proper divisors (330912451).

10280389949 is a wasteful number, since it uses less digits than its factorization.

10280389949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396459.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 10280389949 in words is "ten billion, two hundred eighty million, three hundred eighty-nine thousand, nine hundred forty-nine".