980851749 has 8 divisors (see below), whose sum is σ = 1349989632. Its totient is φ = 632807520.

The previous prime is 980851667. The next prime is 980851769. The reversal of 980851749 is 947158089.

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

It is not a de Polignac number, because 980851749 - 2⁸ = 980851493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980851769) 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, 5273304 + ... + 5273489.

It is an arithmetic number, because the mean of its divisors is an integer number (168748704).

Almost surely, 2^980851749 is an apocalyptic number.

It is an amenable number.

980851749 is a deficient number, since it is larger than the sum of its proper divisors (369137883).

980851749 is a wasteful number, since it uses less digits than its factorization.

980851749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10546827.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 980851749 is about 31318.5527922348. The cubic root of 980851749 is about 993.5760711702.

The spelling of 980851749 in words is "nine hundred eighty million, eight hundred fifty-one thousand, seven hundred forty-nine".