1651715012 has 12 divisors (see below), whose sum is σ = 2961001596. Its totient is φ = 805714560.

The previous prime is 1651714991. The next prime is 1651715017. The reversal of 1651715012 is 2105171561.

It can be written as a sum of positive squares in 2 ways, for example, as 385493956 + 1266221056 = 19634^2 + 35584^2 .

It is not an unprimeable number, because it can be changed into a prime (1651715017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035553 + ... + 5035880.

It is an arithmetic number, because the mean of its divisors is an integer number (246750133).

Almost surely, 2^1651715012 is an apocalyptic number.

It is an amenable number.

1651715012 is a deficient number, since it is larger than the sum of its proper divisors (1309286584).

1651715012 is a wasteful number, since it uses less digits than its factorization.

1651715012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071478 (or 10071476 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 29.

The square root of 1651715012 is about 40641.2968789137. The cubic root of 1651715012 is about 1182.0750169740.

Adding to 1651715012 its reverse (2105171561), we get a palindrome (3756886573).

The spelling of 1651715012 in words is "one billion, six hundred fifty-one million, seven hundred fifteen thousand, twelve".