2406311389 has 2 divisors, whose sum is σ = 2406311390. Its totient is φ = 2406311388.

The previous prime is 2406311321. The next prime is 2406311407. The reversal of 2406311389 is 9831136042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2338496164 + 67815225 = 48358^2 + 8235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406311389 - 2²⁷ = 2272093661 is a prime.

It is a super-2 number, since 2×2406311389² = 11580669001662218642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406311489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203155694 + 1203155695.

It is an arithmetic number, because the mean of its divisors is an integer number (1203155695).

Almost surely, 2^2406311389 is an apocalyptic number.

It is an amenable number.

2406311389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406311389 is an equidigital number, since it uses as much as digits as its factorization.

2406311389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2406311389 is about 49054.1679065092. The cubic root of 2406311389 is about 1340.0384983741.

The spelling of 2406311389 in words is "two billion, four hundred six million, three hundred eleven thousand, three hundred eighty-nine".