3550192421 has 2 divisors, whose sum is σ = 3550192422. Its totient is φ = 3550192420.

The previous prime is 3550192403. The next prime is 3550192493. The reversal of 3550192421 is 1242910553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3103715521 + 446476900 = 55711^2 + 21130^2 .

It is a cyclic number.

It is not a de Polignac number, because 3550192421 - 2¹⁴ = 3550176037 is a prime.

It is a super-2 number, since 2×3550192421² = 25207732452251682482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3550192621) 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 as a sum of consecutive naturals, namely, 1775096210 + 1775096211.

It is an arithmetic number, because the mean of its divisors is an integer number (1775096211).

Almost surely, 2^3550192421 is an apocalyptic number.

It is an amenable number.

3550192421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550192421 is an equidigital number, since it uses as much as digits as its factorization.

3550192421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3550192421 is about 59583.4911783457. The cubic root of 3550192421 is about 1525.5178635027.

The spelling of 3550192421 in words is "three billion, five hundred fifty million, one hundred ninety-two thousand, four hundred twenty-one".