3405998951 has 2 divisors, whose sum is σ = 3405998952. Its totient is φ = 3405998950.

The previous prime is 3405998899. The next prime is 3405999013. The reversal of 3405998951 is 1598995043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3405998951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3405998893 and 3405998902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3405991951) 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, 1702999475 + 1702999476.

It is an arithmetic number, because the mean of its divisors is an integer number (1702999476).

Almost surely, 2^3405998951 is an apocalyptic number.

3405998951 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405998951 is an equidigital number, since it uses as much as digits as its factorization.

3405998951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The square root of 3405998951 is about 58360.9368584844. The cubic root of 3405998951 is about 1504.5784481750.

The spelling of 3405998951 in words is "three billion, four hundred five million, nine hundred ninety-eight thousand, nine hundred fifty-one".