1934889311 has 2 divisors, whose sum is σ = 1934889312. Its totient is φ = 1934889310.

The previous prime is 1934889233. The next prime is 1934889337. The reversal of 1934889311 is 1139884391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1934889311 - 2²² = 1930695007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1934889611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967444655 + 967444656.

It is an arithmetic number, because the mean of its divisors is an integer number (967444656).

Almost surely, 2^1934889311 is an apocalyptic number.

1934889311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934889311 is an equidigital number, since it uses as much as digits as its factorization.

1934889311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 47.

The square root of 1934889311 is about 43987.3767233283. The cubic root of 1934889311 is about 1246.0975490599.

The spelling of 1934889311 in words is "one billion, nine hundred thirty-four million, eight hundred eighty-nine thousand, three hundred eleven".