189151051 has 2 divisors, whose sum is σ = 189151052. Its totient is φ = 189151050.

The previous prime is 189151049. The next prime is 189151063. The reversal of 189151051 is 150151981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189151051 - 2¹ = 189151049 is a prime.

Together with 189151049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (189151451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94575525 + 94575526.

It is an arithmetic number, because the mean of its divisors is an integer number (94575526).

Almost surely, 2^189151051 is an apocalyptic number.

189151051 is a deficient number, since it is larger than the sum of its proper divisors (1).

189151051 is an equidigital number, since it uses as much as digits as its factorization.

189151051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 31.

The square root of 189151051 is about 13753.2196594107. The cubic root of 189151051 is about 574.0321978078.

It can be divided in two parts, 18915 and 1051, that multiplied together give a triangular number (19879665 = T₆₃₀₅).

The spelling of 189151051 in words is "one hundred eighty-nine million, one hundred fifty-one thousand, fifty-one".