3420503551 has 4 divisors (see below), whose sum is σ = 3422479032. Its totient is φ = 3418528072.

The previous prime is 3420503509. The next prime is 3420503587. The reversal of 3420503551 is 1553050243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1553050243 = 1609 ⋅965227.

It is a cyclic number.

It is not a de Polignac number, because 3420503551 - 2⁹ = 3420503039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420503651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985141 + ... + 988606.

It is an arithmetic number, because the mean of its divisors is an integer number (855619758).

Almost surely, 2^3420503551 is an apocalyptic number.

3420503551 is a deficient number, since it is larger than the sum of its proper divisors (1975481).

3420503551 is a wasteful number, since it uses less digits than its factorization.

3420503551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975480.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3420503551 is about 58485.0711806013. The cubic root of 3420503551 is about 1506.7111952723.

Adding to 3420503551 its reverse (1553050243), we get a palindrome (4973553794).

The spelling of 3420503551 in words is "three billion, four hundred twenty million, five hundred three thousand, five hundred fifty-one".