19650152041 has 27 divisors (see below), whose sum is σ = 21892849797. Its totient is φ = 17628911040.

The previous prime is 19650152033. The next prime is 19650152047. The reversal of 19650152041 is 14025105691.

It is a happy number.

The square root of 19650152041 is 140179.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13088504025 + 6561648016 = 114405^2 + 81004^2 .

It is not a de Polignac number, because 19650152041 - 2³ = 19650152033 is a prime.

It is a super-2 number, since 2×19650152041² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19650151988 and 19650152006.

It is not an unprimeable number, because it can be changed into a prime (19650152047) 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 26 ways as a sum of consecutive naturals, for example, 74715276 + ... + 74715538.

Almost surely, 2^19650152041 is an apocalyptic number.

19650152041 is the 140179-th square number.

19650152041 is the 70090-th centered octagonal number.

It is an amenable number.

19650152041 is a deficient number, since it is larger than the sum of its proper divisors (2242697756).

19650152041 is an frugal number, since it uses more digits than its factorization.

19650152041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 19650152041 in words is "nineteen billion, six hundred fifty million, one hundred fifty-two thousand, forty-one".