4187961450 has 36 divisors (see below), whose sum is σ = 11251657638. Its totient is φ = 1116789600.

The previous prime is 4187961409. The next prime is 4187961467. The reversal of 4187961450 is 541697814.

4187961450 is a `hidden beast` number, since 418 + 7 + 96 + 145 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3071265561 + 1116695889 = 55419^2 + 33417^2 .

It is a super-2 number, since 2×4187961450² = 35078042213372205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 4187961396 and 4187961405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4652841 + ... + 4653740.

Almost surely, 2^4187961450 is an apocalyptic number.

4187961450 is an abundant number, since it is smaller than the sum of its proper divisors (7063696188).

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

4187961450 is a wasteful number, since it uses less digits than its factorization.

4187961450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306599 (or 9306591 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 4187961450 is about 64714.4609032633. The cubic root of 4187961450 is about 1611.8856357959.

The spelling of 4187961450 in words is "four billion, one hundred eighty-seven million, nine hundred sixty-one thousand, four hundred fifty".