Search a number
-
+
1339611863 is a prime number
BaseRepresentation
bin100111111011000…
…1101101011010111
310110100201100000012
41033312031223113
510220420034423
6340532310435
745124340642
oct11766155327
93410640005
101339611863
116281a3247
1231477241b
131846c6c55
14c9cb2a59
157c917078
hex4fd8dad7

1339611863 has 2 divisors, whose sum is σ = 1339611864. Its totient is φ = 1339611862.

The previous prime is 1339611857. The next prime is 1339611881. The reversal of 1339611863 is 3681169331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1339611863 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339611863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339691863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669805931 + 669805932.

It is an arithmetic number, because the mean of its divisors is an integer number (669805932).

Almost surely, 21339611863 is an apocalyptic number.

1339611863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339611863 is an equidigital number, since it uses as much as digits as its factorization.

1339611863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 1339611863 is about 36600.7085040713. The cubic root of 1339611863 is about 1102.3673156825.

The spelling of 1339611863 in words is "one billion, three hundred thirty-nine million, six hundred eleven thousand, eight hundred sixty-three".