1650201021345 has 16 divisors (see below), whose sum is σ = 2641131875520. Its totient is φ = 879837130944.

The previous prime is 1650201021281. The next prime is 1650201021347. The reversal of 1650201021345 is 5431201020561.

It is not a de Polignac number, because 1650201021345 - 2⁶ = 1650201021281 is a prime.

It is a super-2 number, since 2×1650201021345² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1650201021347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16829514 + ... + 16927283.

It is an arithmetic number, because the mean of its divisors is an integer number (165070742220).

Almost surely, 2^{1650201021345} is an apocalyptic number.

1650201021345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1650201021345 is a deficient number, since it is larger than the sum of its proper divisors (990930854175).

1650201021345 is a wasteful number, since it uses less digits than its factorization.

1650201021345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33760064.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 1650201021345 in words is "one trillion, six hundred fifty billion, two hundred one million, twenty-one thousand, three hundred forty-five".