1650951645 has 32 divisors (see below), whose sum is σ = 3022586112. Its totient is φ = 753795072.

The previous prime is 1650951637. The next prime is 1650951647. The reversal of 1650951645 is 5461590561.

It is not a de Polignac number, because 1650951645 - 2³ = 1650951637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1650951597 and 1650951606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650951647) 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 31 ways as a sum of consecutive naturals, for example, 80349 + ... + 98781.

It is an arithmetic number, because the mean of its divisors is an integer number (94455816).

Almost surely, 2^1650951645 is an apocalyptic number.

1650951645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650951645 is a deficient number, since it is larger than the sum of its proper divisors (1371634467).

1650951645 is a wasteful number, since it uses less digits than its factorization.

1650951645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19301.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 1650951645 is about 40631.9042748429. The cubic root of 1650951645 is about 1181.8928838373.

The spelling of 1650951645 in words is "one billion, six hundred fifty million, nine hundred fifty-one thousand, six hundred forty-five".