3128472551 has 2 divisors, whose sum is σ = 3128472552. Its totient is φ = 3128472550.

The previous prime is 3128472541. The next prime is 3128472653. The reversal of 3128472551 is 1552748213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128472551 - 2²² = 3124278247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3128472541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564236275 + 1564236276.

It is an arithmetic number, because the mean of its divisors is an integer number (1564236276).

Almost surely, 2^3128472551 is an apocalyptic number.

3128472551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128472551 is an equidigital number, since it uses as much as digits as its factorization.

3128472551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 38.

The square root of 3128472551 is about 55932.7502542115. The cubic root of 3128472551 is about 1462.5502046807.

The spelling of 3128472551 in words is "three billion, one hundred twenty-eight million, four hundred seventy-two thousand, five hundred fifty-one".