3198798151 has 2 divisors, whose sum is σ = 3198798152. Its totient is φ = 3198798150.

The previous prime is 3198798139. The next prime is 3198798157. The reversal of 3198798151 is 1518978913.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3198798151 - 2¹¹ = 3198796103 is a prime.

It is a super-2 number, since 2×3198798151² = 20464619221682037602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3198798157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599399075 + 1599399076.

It is an arithmetic number, because the mean of its divisors is an integer number (1599399076).

Almost surely, 2^3198798151 is an apocalyptic number.

3198798151 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198798151 is an equidigital number, since it uses as much as digits as its factorization.

3198798151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 52.

The square root of 3198798151 is about 56557.9185525776. The cubic root of 3198798151 is about 1473.4280909563.

The spelling of 3198798151 in words is "three billion, one hundred ninety-eight million, seven hundred ninety-eight thousand, one hundred fifty-one".