3628154891 has 2 divisors, whose sum is σ = 3628154892. Its totient is φ = 3628154890.

The previous prime is 3628154867. The next prime is 3628154911. The reversal of 3628154891 is 1984518263.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3628154891 is a prime.

It is not a weakly prime, because it can be changed into another prime (3628150891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814077445 + 1814077446.

It is an arithmetic number, because the mean of its divisors is an integer number (1814077446).

Almost surely, 2^3628154891 is an apocalyptic number.

3628154891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628154891 is an equidigital number, since it uses as much as digits as its factorization.

3628154891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 47.

The square root of 3628154891 is about 60234.1671395895. The cubic root of 3628154891 is about 1536.6039307337.

The spelling of 3628154891 in words is "three billion, six hundred twenty-eight million, one hundred fifty-four thousand, eight hundred ninety-one".