1489751970 has 32 divisors (see below), whose sum is σ = 4086177408. Its totient is φ = 340514688.

The previous prime is 1489751951. The next prime is 1489751971. The reversal of 1489751970 is 791579841.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1489751971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3546819 + ... + 3547238.

It is an arithmetic number, because the mean of its divisors is an integer number (127693044).

Almost surely, 2^1489751970 is an apocalyptic number.

1489751970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1489751970 is an abundant number, since it is smaller than the sum of its proper divisors (2596425438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489751970 is a wasteful number, since it uses less digits than its factorization.

1489751970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094074.

The product of its (nonzero) digits is 635040, while the sum is 51.

The square root of 1489751970 is about 38597.3052168153. The cubic root of 1489751970 is about 1142.1013795778.

The spelling of 1489751970 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-one thousand, nine hundred seventy".